38483721 has 16 divisors (see below), whose sum is σ = 60014400. Its totient is φ = 24305184.

The previous prime is 38483719. The next prime is 38483743. The reversal of 38483721 is 12738483.

It is not a de Polignac number, because 38483721 - 2¹ = 38483719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38483771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36996 + ... + 38021.

It is an arithmetic number, because the mean of its divisors is an integer number (3750900).

Almost surely, 2^38483721 is an apocalyptic number.

It is an amenable number.

38483721 is a deficient number, since it is larger than the sum of its proper divisors (21530679).

38483721 is a wasteful number, since it uses less digits than its factorization.

38483721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75045 (or 75039 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 38483721 is about 6203.5248850956. The cubic root of 38483721 is about 337.6180722686.

It can be divided in two parts, 38483 and 721, that added together give a square (39204 = 198²).

The spelling of 38483721 in words is "thirty-eight million, four hundred eighty-three thousand, seven hundred twenty-one".