40896987 has 8 divisors (see below), whose sum is σ = 57399360. Its totient is φ = 25829640.

The previous prime is 40896983. The next prime is 40897033. The reversal of 40896987 is 78969804.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40896987 - 2² = 40896983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40896983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358689 + ... + 358802.

It is an arithmetic number, because the mean of its divisors is an integer number (7174920).

Almost surely, 2^40896987 is an apocalyptic number.

40896987 is a deficient number, since it is larger than the sum of its proper divisors (16502373).

40896987 is a wasteful number, since it uses less digits than its factorization.

40896987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717513.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 40896987 is about 6395.0752145694. The cubic root of 40896987 is about 344.5326922420.

The spelling of 40896987 in words is "forty million, eight hundred ninety-six thousand, nine hundred eighty-seven".