4156992 has 84 divisors (see below), whose sum is σ = 13630656. Its totient is φ = 1186560.

The previous prime is 4156981. The next prime is 4157011. The reversal of 4156992 is 2996514.

4156992 is a `hidden beast` number, since 4 + 1 + 569 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3517 + ... + 4547.

Almost surely, 2^4156992 is an apocalyptic number.

4156992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4156992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6815328).

4156992 is an abundant number, since it is smaller than the sum of its proper divisors (9473664).

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

4156992 is a wasteful number, since it uses less digits than its factorization.

4156992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1043 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 4156992 is about 2038.8702754222. The cubic root of 4156992 is about 160.7902570766.

The spelling of 4156992 in words is "four million, one hundred fifty-six thousand, nine hundred ninety-two".