2477992 has 32 divisors (see below), whose sum is σ = 5248800. Its totient is φ = 1086400.

The previous prime is 2477987. The next prime is 2478011. The reversal of 2477992 is 2997742.

It is a super-2 number, since 2×2477992² = 12280888704128, which contains 22 as substring.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067 + ... + 3037.

It is an arithmetic number, because the mean of its divisors is an integer number (164025).

2^2477992 is an apocalyptic number.

2477992 is a gapful number since it is divisible by the number (22) 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 2477992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2624400).

2477992 is an abundant number, since it is smaller than the sum of its proper divisors (2770808).

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

2477992 is a wasteful number, since it uses less digits than its factorization.

2477992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1013 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 2477992 is about 1574.1639050620. The cubic root of 2477992 is about 135.3214470755.

The spelling of 2477992 in words is "two million, four hundred seventy-seven thousand, nine hundred ninety-two".