39089745 has 48 divisors (see below), whose sum is σ = 72072000. Its totient is φ = 19543680.

The previous prime is 39089737. The next prime is 39089747. The reversal of 39089745 is 54798093.

It is not a de Polignac number, because 39089745 - 2³ = 39089737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 39089745.

It is not an unprimeable number, because it can be changed into a prime (39089747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111831 + ... + 112179.

It is an arithmetic number, because the mean of its divisors is an integer number (1501500).

Almost surely, 2^39089745 is an apocalyptic number.

It is an amenable number.

39089745 is a deficient number, since it is larger than the sum of its proper divisors (32982255).

39089745 is a wasteful number, since it uses less digits than its factorization.

39089745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 39089745 is about 6252.1792200800. The cubic root of 39089745 is about 339.3810683367.

The spelling of 39089745 in words is "thirty-nine million, eighty-nine thousand, seven hundred forty-five".