39474249 has 16 divisors (see below), whose sum is σ = 54609600. Its totient is φ = 25333056.

The previous prime is 39474203. The next prime is 39474257. The reversal of 39474249 is 94247493.

It is not a de Polignac number, because 39474249 - 2⁷ = 39474121 is a prime.

It is a super-2 number, since 2×39474249² = 3116432668228002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39474249.

It is not an unprimeable number, because it can be changed into a prime (39474299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53487 + ... + 54219.

It is an arithmetic number, because the mean of its divisors is an integer number (3413100).

Almost surely, 2^39474249 is an apocalyptic number.

It is an amenable number.

39474249 is a deficient number, since it is larger than the sum of its proper divisors (15135351).

39474249 is a wasteful number, since it uses less digits than its factorization.

39474249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384.

The product of its digits is 217728, while the sum is 42.

The square root of 39474249 is about 6282.8535714276. The cubic root of 39474249 is about 340.4902069587.

The spelling of 39474249 in words is "thirty-nine million, four hundred seventy-four thousand, two hundred forty-nine".