40695897 has 8 divisors (see below), whose sum is σ = 59194080. Its totient is φ = 24664160.

The previous prime is 40695871. The next prime is 40695911. The reversal of 40695897 is 79859604.

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

It is a cyclic number.

It is not a de Polignac number, because 40695897 - 2⁷ = 40695769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40695817) 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, 616572 + ... + 616637.

It is an arithmetic number, because the mean of its divisors is an integer number (7399260).

Almost surely, 2^40695897 is an apocalyptic number.

It is an amenable number.

40695897 is a deficient number, since it is larger than the sum of its proper divisors (18498183).

40695897 is a wasteful number, since it uses less digits than its factorization.

40695897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233223.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 40695897 is about 6379.3335858850. Note that the first 3 decimals coincide. The cubic root of 40695897 is about 343.9670764642.

The spelling of 40695897 in words is "forty million, six hundred ninety-five thousand, eight hundred ninety-seven".