4097992 has 8 divisors (see below), whose sum is σ = 7683750. Its totient is φ = 2048992.

The previous prime is 4097987. The next prime is 4098011. The reversal of 4097992 is 2997904.

It can be written as a sum of positive squares in only one way, i.e., 2232036 + 1865956 = 1494^2 + 1366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256117 + ... + 256132.

Almost surely, 2^4097992 is an apocalyptic number.

It is an amenable number.

4097992 is a deficient number, since it is larger than the sum of its proper divisors (3585758).

4097992 is a wasteful number, since it uses less digits than its factorization.

4097992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512255 (or 512251 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 4097992 is about 2024.3497721491. The cubic root of 4097992 is about 160.0259332964.

The spelling of 4097992 in words is "four million, ninety-seven thousand, nine hundred ninety-two".