39464228 has 24 divisors (see below), whose sum is σ = 72394560. Its totient is φ = 18788000.

The previous prime is 39464221. The next prime is 39464231. The reversal of 39464228 is 82246493.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 39464191 and 39464200.

It is not an unprimeable number, because it can be changed into a prime (39464221) 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 7 ways as a sum of consecutive naturals, for example, 22238 + ... + 23946.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2^39464228 is an apocalyptic number.

It is an amenable number.

39464228 is a deficient number, since it is larger than the sum of its proper divisors (32930332).

39464228 is a wasteful number, since it uses less digits than its factorization.

39464228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1985 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 39464228 is about 6282.0560328606. The cubic root of 39464228 is about 340.4613920459.

The spelling of 39464228 in words is "thirty-nine million, four hundred sixty-four thousand, two hundred twenty-eight".