39479229 has 12 divisors (see below), whose sum is σ = 57193500. Its totient is φ = 26241984.

The previous prime is 39479227. The next prime is 39479233. The reversal of 39479229 is 92297493.

It can be written as a sum of positive squares in 2 ways, for example, as 35676729 + 3802500 = 5973^2 + 1950^2 .

It is not a de Polignac number, because 39479229 - 2¹ = 39479227 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39479227) 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, 3144 + ... + 9425.

It is an arithmetic number, because the mean of its divisors is an integer number (4766125).

Almost surely, 2^39479229 is an apocalyptic number.

It is an amenable number.

39479229 is a deficient number, since it is larger than the sum of its proper divisors (17714271).

39479229 is a wasteful number, since it uses less digits than its factorization.

39479229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12924 (or 12921 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 39479229 is about 6283.2498756615. The cubic root of 39479229 is about 340.5045248999.

The spelling of 39479229 in words is "thirty-nine million, four hundred seventy-nine thousand, two hundred twenty-nine".