38704628 has 24 divisors (see below), whose sum is σ = 69914880. Its totient is φ = 18738720.

The previous prime is 38704621. The next prime is 38704639. The reversal of 38704628 is 82640783.

It is a junction number, because it is equal to n+sod(n) for n = 38704591 and 38704600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38704621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15593 + ... + 17903.

It is an arithmetic number, because the mean of its divisors is an integer number (2913120).

Almost surely, 2^38704628 is an apocalyptic number.

It is an amenable number.

38704628 is a deficient number, since it is larger than the sum of its proper divisors (31210252).

38704628 is a wasteful number, since it uses less digits than its factorization.

38704628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447 (or 2445 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 38704628 is about 6221.3043648418. The cubic root of 38704628 is about 338.2628465573.

The spelling of 38704628 in words is "thirty-eight million, seven hundred four thousand, six hundred twenty-eight".