39446970 has 32 divisors (see below), whose sum is σ = 100243008. Its totient is φ = 9900288.

The previous prime is 39446969. The next prime is 39446977. The reversal of 39446970 is 7964493.

It is not an unprimeable number, because it can be changed into a prime (39446977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38164 + ... + 39183.

It is an arithmetic number, because the mean of its divisors is an integer number (3132594).

Almost surely, 2^39446970 is an apocalyptic number.

39446970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39446970 is an abundant number, since it is smaller than the sum of its proper divisors (60796038).

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

39446970 is a wasteful number, since it uses less digits than its factorization.

39446970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77374.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 39446970 is about 6280.6822877773. The cubic root of 39446970 is about 340.4117560447.

The spelling of 39446970 in words is "thirty-nine million, four hundred forty-six thousand, nine hundred seventy".