38198002 has 4 divisors (see below), whose sum is σ = 57297006. Its totient is φ = 19099000.

The previous prime is 38197987. The next prime is 38198003. The reversal of 38198002 is 20089183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21706281 + 16491721 = 4659^2 + 4061^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (38198003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9549499 + ... + 9549502.

Almost surely, 2^38198002 is an apocalyptic number.

38198002 is a deficient number, since it is larger than the sum of its proper divisors (19099004).

38198002 is a wasteful number, since it uses less digits than its factorization.

38198002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19099003.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 38198002 is about 6180.4532196272. The cubic root of 38198002 is about 336.7804573473.

The spelling of 38198002 in words is "thirty-eight million, one hundred ninety-eight thousand, two".