39307412 has 12 divisors (see below), whose sum is σ = 71160180. Its totient is φ = 18975936.

The previous prime is 39307381. The next prime is 39307421. The reversal of 39307412 is 21470393.

It can be written as a sum of positive squares in 2 ways, for example, as 32103556 + 7203856 = 5666^2 + 2684^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a pancake number, because a pancake can be divided into 39307412 parts by 8866 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169313 + ... + 169544.

It is an arithmetic number, because the mean of its divisors is an integer number (5930015).

Almost surely, 2^39307412 is an apocalyptic number.

It is an amenable number.

39307412 is a deficient number, since it is larger than the sum of its proper divisors (31852768).

39307412 is a wasteful number, since it uses less digits than its factorization.

39307412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338890 (or 338888 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 39307412 is about 6269.5623451721. The cubic root of 39307412 is about 340.0098382390.

The spelling of 39307412 in words is "thirty-nine million, three hundred seven thousand, four hundred twelve".