39434228 has 12 divisors (see below), whose sum is σ = 69176772. Its totient is φ = 19669440.

The previous prime is 39434221. The next prime is 39434233. The reversal of 39434228 is 82243493.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5654884 + 33779344 = 2378^2 + 5812^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39434221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10025 + ... + 13392.

It is an arithmetic number, because the mean of its divisors is an integer number (5764731).

Almost surely, 2^39434228 is an apocalyptic number.

It is an amenable number.

39434228 is a deficient number, since it is larger than the sum of its proper divisors (29742544).

39434228 is a wasteful number, since it uses less digits than its factorization.

39434228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23842 (or 23840 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 39434228 is about 6279.6678256099. The cubic root of 39434228 is about 340.3750992900.

The spelling of 39434228 in words is "thirty-nine million, four hundred thirty-four thousand, two hundred twenty-eight".