38454492 has 24 divisors (see below), whose sum is σ = 90041616. Its totient is φ = 12773248.

The previous prime is 38454491. The next prime is 38454509. The reversal of 38454492 is 29445483.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 38454492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38454491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1953 + ... + 8984.

It is an arithmetic number, because the mean of its divisors is an integer number (3751734).

Almost surely, 2^38454492 is an apocalyptic number.

It is an amenable number.

38454492 is an abundant number, since it is smaller than the sum of its proper divisors (51587124).

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

38454492 is a wasteful number, since it uses less digits than its factorization.

38454492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11237 (or 11235 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 38454492 is about 6201.1685995464. The cubic root of 38454492 is about 337.5325751822.

Subtracting from 38454492 its reverse (29445483), we obtain a palindrome (9009009).

The spelling of 38454492 in words is "thirty-eight million, four hundred fifty-four thousand, four hundred ninety-two".