35897872 has 10 divisors (see below), whose sum is σ = 69552158. Its totient is φ = 17948928.

The previous prime is 35897843. The next prime is 35897879. The reversal of 35897872 is 27879853.

It can be written as a sum of positive squares in only one way, i.e., 26873856 + 9024016 = 5184^2 + 3004^2 .

It is not an unprimeable number, because it can be changed into a prime (35897879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121793 + ... + 1121824.

Almost surely, 2^35897872 is an apocalyptic number.

It is an amenable number.

35897872 is a deficient number, since it is larger than the sum of its proper divisors (33654286).

35897872 is a wasteful number, since it uses less digits than its factorization.

35897872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243625 (or 2243619 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 35897872 is about 5991.4832888025. The cubic root of 35897872 is about 329.8801891357.

The spelling of 35897872 in words is "thirty-five million, eight hundred ninety-seven thousand, eight hundred seventy-two".