40386704 has 20 divisors (see below), whose sum is σ = 82368240. Its totient is φ = 19130400.

The previous prime is 40386701. The next prime is 40386737. The reversal of 40386704 is 40768304.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40386701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66122 + ... + 66729.

It is an arithmetic number, because the mean of its divisors is an integer number (4118412).

Almost surely, 2^40386704 is an apocalyptic number.

It is an amenable number.

40386704 is an abundant number, since it is smaller than the sum of its proper divisors (41981536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40386704 is a wasteful number, since it uses less digits than its factorization.

40386704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132878 (or 132872 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 40386704 is about 6355.0534222774. The cubic root of 40386704 is about 343.0937476609.

The spelling of 40386704 in words is "forty million, three hundred eighty-six thousand, seven hundred four".