39057428 has 12 divisors (see below), whose sum is σ = 68408340. Its totient is φ = 19512192.

The previous prime is 39057419. The next prime is 39057439. The reversal of 39057428 is 82475093.

It can be written as a sum of positive squares in 2 ways, for example, as 3678724 + 35378704 = 1918^2 + 5948^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 39057391 and 39057400.

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, 2300 + ... + 9132.

It is an arithmetic number, because the mean of its divisors is an integer number (5700695).

Almost surely, 2^39057428 is an apocalyptic number.

It is an amenable number.

39057428 is a deficient number, since it is larger than the sum of its proper divisors (29350912).

39057428 is a wasteful number, since it uses less digits than its factorization.

39057428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8266 (or 8264 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 39057428 is about 6249.5942268279. The cubic root of 39057428 is about 339.2875160775.

The spelling of 39057428 in words is "thirty-nine million, fifty-seven thousand, four hundred twenty-eight".