4097538 has 24 divisors (see below), whose sum is σ = 8925228. Its totient is φ = 1358592.

The previous prime is 4097537. The next prime is 4097551. The reversal of 4097538 is 8357904.

It can be written as a sum of positive squares in 2 ways, for example, as 4052169 + 45369 = 2013^2 + 213^2 .

It is a super-2 number, since 2×4097538² = 33579635322888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4097537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3706 + ... + 4682.

Almost surely, 2^4097538 is an apocalyptic number.

4097538 is an abundant number, since it is smaller than the sum of its proper divisors (4827690).

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

4097538 is a wasteful number, since it uses less digits than its factorization.

4097538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 4097538 is about 2024.2376342712. The cubic root of 4097538 is about 160.0200235357.

The spelling of 4097538 in words is "four million, ninety-seven thousand, five hundred thirty-eight".