39025989 has 8 divisors (see below), whose sum is σ = 57816320. Its totient is φ = 26017308.

The previous prime is 39025969. The next prime is 39025991. The reversal of 39025989 is 98952093.

39025989 is a `hidden beast` number, since 390 + 259 + 8 + 9 = 666.

It is not a de Polignac number, because 39025989 - 2²³ = 30637381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39025939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722677 + ... + 722730.

It is an arithmetic number, because the mean of its divisors is an integer number (7227040).

Almost surely, 2^39025989 is an apocalyptic number.

It is an amenable number.

39025989 is a deficient number, since it is larger than the sum of its proper divisors (18790331).

39025989 is a wasteful number, since it uses less digits than its factorization.

39025989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445416 (or 1445410 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 39025989 is about 6247.0784371576. The cubic root of 39025989 is about 339.1964559462.

The spelling of 39025989 in words is "thirty-nine million, twenty-five thousand, nine hundred eighty-nine".