38933730 has 64 divisors (see below), whose sum is σ = 113270400. Its totient is φ = 9437760.

The previous prime is 38933729. The next prime is 38933749. The reversal of 38933730 is 3733983.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3585 + ... + 9524.

It is an arithmetic number, because the mean of its divisors is an integer number (1769850).

Almost surely, 2^38933730 is an apocalyptic number.

38933730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38933730 is an abundant number, since it is smaller than the sum of its proper divisors (74336670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38933730 is a wasteful number, since it uses less digits than its factorization.

38933730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13136 (or 13130 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 38933730 is about 6239.6898961407. The cubic root of 38933730 is about 338.9289537073.

The spelling of 38933730 in words is "thirty-eight million, nine hundred thirty-three thousand, seven hundred thirty".