238120992 has 96 divisors (see below), whose sum is σ = 698544000. Its totient is φ = 78914304.

The previous prime is 238120979. The next prime is 238120999. The reversal of 238120992 is 299021832.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238120999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169509 + ... + 170907.

It is an arithmetic number, because the mean of its divisors is an integer number (7276500).

Almost surely, 2^238120992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238120992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349272000).

238120992 is an abundant number, since it is smaller than the sum of its proper divisors (460423008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238120992 is a wasteful number, since it uses less digits than its factorization.

238120992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 238120992 is about 15431.1694955373. The cubic root of 238120992 is about 619.8204405449.

The spelling of 238120992 in words is "two hundred thirty-eight million, one hundred twenty thousand, nine hundred ninety-two".