39850225 has 12 divisors (see below), whose sum is σ = 49540480. Its totient is φ = 31798800.

The previous prime is 39850183. The next prime is 39850229. The reversal of 39850225 is 52205893.

It is not a de Polignac number, because 39850225 - 2¹⁵ = 39817457 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (39850229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9160 + ... + 12790.

Almost surely, 2^39850225 is an apocalyptic number.

It is an amenable number.

39850225 is a deficient number, since it is larger than the sum of its proper divisors (9690255).

39850225 is a wasteful number, since it uses less digits than its factorization.

39850225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080 (or 4075 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 39850225 is about 6312.7034620676. The cubic root of 39850225 is about 341.5678027130.

The spelling of 39850225 in words is "thirty-nine million, eight hundred fifty thousand, two hundred twenty-five".