39193412 has 12 divisors (see below), whose sum is σ = 68639340. Its totient is φ = 19582176.

The previous prime is 39193411. The next prime is 39193421. The reversal of 39193412 is 21439193.

It can be written as a sum of positive squares in 2 ways, for example, as 38514436 + 678976 = 6206^2 + 824^2 .

It is a super-2 number, since 2×39193412² = 3072247088403488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39193411) 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, 4418 + ... + 9894.

It is an arithmetic number, because the mean of its divisors is an integer number (5719945).

Almost surely, 2^39193412 is an apocalyptic number.

It is an amenable number.

39193412 is a deficient number, since it is larger than the sum of its proper divisors (29445928).

39193412 is a wasteful number, since it uses less digits than its factorization.

39193412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7270 (or 7268 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 39193412 is about 6260.4642000414. The cubic root of 39193412 is about 339.6808192579.

The spelling of 39193412 in words is "thirty-nine million, one hundred ninety-three thousand, four hundred twelve".