38021712 has 20 divisors (see below), whose sum is σ = 98222880. Its totient is φ = 12673888.

The previous prime is 38021689. The next prime is 38021743. The reversal of 38021712 is 21712083.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396012 + ... + 396107.

It is an arithmetic number, because the mean of its divisors is an integer number (4911144).

Almost surely, 2^38021712 is an apocalyptic number.

It is an amenable number.

38021712 is an abundant number, since it is smaller than the sum of its proper divisors (60201168).

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

38021712 is a wasteful number, since it uses less digits than its factorization.

38021712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792130 (or 792124 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 38021712 is about 6166.1748272328. The cubic root of 38021712 is about 336.2615593747.

Adding to 38021712 its reverse (21712083), we get a palindrome (59733795).

The spelling of 38021712 in words is "thirty-eight million, twenty-one thousand, seven hundred twelve".