38533720 has 16 divisors (see below), whose sum is σ = 86700960. Its totient is φ = 15413472.

The previous prime is 38533699. The next prime is 38533723. The reversal of 38533720 is 2733583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38533723) 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, 481632 + ... + 481711.

It is an arithmetic number, because the mean of its divisors is an integer number (5418810).

Almost surely, 2^38533720 is an apocalyptic number.

It is an amenable number.

38533720 is an abundant number, since it is smaller than the sum of its proper divisors (48167240).

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

38533720 is a wasteful number, since it uses less digits than its factorization.

38533720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963354 (or 963350 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 38533720 is about 6207.5534633219. The cubic root of 38533720 is about 337.7642229030.

The spelling of 38533720 in words is "thirty-eight million, five hundred thirty-three thousand, seven hundred twenty".