38490196 has 6 divisors (see below), whose sum is σ = 67357850. Its totient is φ = 19245096.

The previous prime is 38490187. The next prime is 38490197. The reversal of 38490196 is 69109483.

It can be written as a sum of positive squares in only one way, i.e., 29550096 + 8940100 = 5436^2 + 2990^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38490197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4811271 + ... + 4811278.

Almost surely, 2^38490196 is an apocalyptic number.

It is an amenable number.

38490196 is a deficient number, since it is larger than the sum of its proper divisors (28867654).

38490196 is a wasteful number, since it uses less digits than its factorization.

38490196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9622553 (or 9622551 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 38490196 is about 6204.0467438600. The cubic root of 38490196 is about 337.6370062868.

The spelling of 38490196 in words is "thirty-eight million, four hundred ninety thousand, one hundred ninety-six".