39656954 has 16 divisors (see below), whose sum is σ = 64020456. Its totient is φ = 18355200.

The previous prime is 39656951. The next prime is 39656977. The reversal of 39656954 is 45965693.

It can be written as a sum of positive squares in 4 ways, for example, as 35343025 + 4313929 = 5945^2 + 2077^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39656899 and 39656908.

It is not an unprimeable number, because it can be changed into a prime (39656951) 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, 7487 + ... + 11634.

Almost surely, 2^39656954 is an apocalyptic number.

39656954 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

39656954 is a deficient number, since it is larger than the sum of its proper divisors (24363502).

39656954 is a wasteful number, since it uses less digits than its factorization.

39656954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19201.

The product of its digits is 874800, while the sum is 47.

The square root of 39656954 is about 6297.3767554435. The cubic root of 39656954 is about 341.0147137209.

The spelling of 39656954 in words is "thirty-nine million, six hundred fifty-six thousand, nine hundred fifty-four".