39930345 has 96 divisors (see below), whose sum is σ = 87360000. Its totient is φ = 16765056.

The previous prime is 39930337. The next prime is 39930353. The reversal of 39930345 is 54303993.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (39930337) and next prime (39930353).

It is not a de Polignac number, because 39930345 - 2³ = 39930337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 200556 + ... + 200754.

It is an arithmetic number, because the mean of its divisors is an integer number (910000).

Almost surely, 2^39930345 is an apocalyptic number.

39930345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39930345 is an abundant number, since it is smaller than the sum of its proper divisors (47429655).

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

39930345 is a wasteful number, since it uses less digits than its factorization.

39930345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The square root of 39930345 is about 6319.0462096744. The cubic root of 39930345 is about 341.7965600370.

The spelling of 39930345 in words is "thirty-nine million, nine hundred thirty thousand, three hundred forty-five".