39400466 has 8 divisors (see below), whose sum is σ = 67543680. Its totient is φ = 16885908.

The previous prime is 39400463. The next prime is 39400507. The reversal of 39400466 is 66400493.

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

It is not an unprimeable number, because it can be changed into a prime (39400463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407146 + ... + 1407173.

It is an arithmetic number, because the mean of its divisors is an integer number (8442960).

Almost surely, 2^39400466 is an apocalyptic number.

39400466 is a deficient number, since it is larger than the sum of its proper divisors (28143214).

39400466 is a wasteful number, since it uses less digits than its factorization.

39400466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814328.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 39400466 is about 6276.9790504669. The cubic root of 39400466 is about 340.2779330646.

The spelling of 39400466 in words is "thirty-nine million, four hundred thousand, four hundred sixty-six".