40976397 has 36 divisors (see below), whose sum is σ = 75119616. Its totient is φ = 21283920.

The previous prime is 40976359. The next prime is 40976413. The reversal of 40976397 is 79367904.

40976397 is a `hidden beast` number, since 4 + 0 + 9 + 7 + 639 + 7 = 666.

It is not a de Polignac number, because 40976397 - 2⁷ = 40976269 is a prime.

It is a super-2 number, since 2×40976397² = 3358130222203218, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40976497) 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, 628 + ... + 9074.

It is an arithmetic number, because the mean of its divisors is an integer number (2086656).

Almost surely, 2^40976397 is an apocalyptic number.

It is an amenable number.

40976397 is a deficient number, since it is larger than the sum of its proper divisors (34143219).

40976397 is a wasteful number, since it uses less digits than its factorization.

40976397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8478 (or 8468 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 40976397 is about 6401.2808874474. The cubic root of 40976397 is about 344.7555420103.

The spelling of 40976397 in words is "forty million, nine hundred seventy-six thousand, three hundred ninety-seven".