2077992 has 144 divisors (see below), whose sum is σ = 7113600. Its totient is φ = 544320.

The previous prime is 2077987. The next prime is 2077993. The reversal of 2077992 is 2997702.

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 (2077993) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67017 + ... + 67047.

It is an arithmetic number, because the mean of its divisors is an integer number (49400).

2^2077992 is an apocalyptic number.

2077992 is the 912-nd heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2077992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3556800).

2077992 is an abundant number, since it is smaller than the sum of its proper divisors (5035608).

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

2077992 is a wasteful number, since it uses less digits than its factorization.

2077992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 2077992 is about 1441.5241933454. The cubic root of 2077992 is about 127.6089956086.

The spelling of 2077992 in words is "two million, seventy-seven thousand, nine hundred ninety-two".