38193700 has 18 divisors (see below), whose sum is σ = 82880546. Its totient is φ = 15277440.

The previous prime is 38193641. The next prime is 38193703. The reversal of 38193700 is 739183.

38193700 = 1224² + 1225² + ... + 1248².

It can be written as a sum of positive squares in 3 ways, for example, as 6022116 + 32171584 = 2454^2 + 5672^2 .

It is not an unprimeable number, because it can be changed into a prime (38193703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190869 + ... + 191068.

Almost surely, 2^38193700 is an apocalyptic number.

It is an amenable number.

38193700 is an abundant number, since it is smaller than the sum of its proper divisors (44686846).

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

38193700 is a wasteful number, since it uses less digits than its factorization.

38193700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381951 (or 381944 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 38193700 is about 6180.1051770985. The cubic root of 38193700 is about 336.7678137198.

The spelling of 38193700 in words is "thirty-eight million, one hundred ninety-three thousand, seven hundred".