38453500 has 24 divisors (see below), whose sum is σ = 83983536. Its totient is φ = 15381200.

The previous prime is 38453497. The next prime is 38453521. The reversal of 38453500 is 535483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37954 + ... + 38953.

It is an arithmetic number, because the mean of its divisors is an integer number (3499314).

Almost surely, 2^38453500 is an apocalyptic number.

It is an amenable number.

38453500 is an abundant number, since it is smaller than the sum of its proper divisors (45530036).

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

38453500 is a wasteful number, since it uses less digits than its factorization.

38453500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76926 (or 76914 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 38453500 is about 6201.0886141064. The cubic root of 38453500 is about 337.5296727455.

Adding to 38453500 its reverse (535483), we get a palindrome (38988983).

The spelling of 38453500 in words is "thirty-eight million, four hundred fifty-three thousand, five hundred".