39023930 has 16 divisors (see below), whose sum is σ = 76629024. Its totient is φ = 14190480.

The previous prime is 39023903. The next prime is 39023951. The reversal of 39023930 is 3932093.

It is a happy number.

It is a super-2 number, since 2×39023930² = 3045734225289800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39023893 and 39023902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177272 + ... + 177491.

It is an arithmetic number, because the mean of its divisors is an integer number (4789314).

Almost surely, 2^39023930 is an apocalyptic number.

39023930 is a deficient number, since it is larger than the sum of its proper divisors (37605094).

39023930 is a wasteful number, since it uses less digits than its factorization.

39023930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354781.

The product of its (nonzero) digits is 4374, while the sum is 29.

The square root of 39023930 is about 6246.9136379495. The cubic root of 39023930 is about 339.1904905386.

The spelling of 39023930 in words is "thirty-nine million, twenty-three thousand, nine hundred thirty".