38493798 has 32 divisors (see below), whose sum is σ = 88252416. Its totient is φ = 10964928.

The previous prime is 38493769. The next prime is 38493803. The reversal of 38493798 is 89739483.

It is a self number, because there is not a number n which added to its sum of digits gives 38493798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14890 + ... + 17282.

It is an arithmetic number, because the mean of its divisors is an integer number (2757888).

Almost surely, 2^38493798 is an apocalyptic number.

38493798 is an abundant number, since it is smaller than the sum of its proper divisors (49758618).

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

38493798 is a wasteful number, since it uses less digits than its factorization.

38493798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788.

The product of its digits is 1306368, while the sum is 51.

The square root of 38493798 is about 6204.3370314644. The cubic root of 38493798 is about 337.6475382377.

The spelling of 38493798 in words is "thirty-eight million, four hundred ninety-three thousand, seven hundred ninety-eight".