38489520 has 40 divisors (see below), whose sum is σ = 119318256. Its totient is φ = 10263808.

The previous prime is 38489519. The next prime is 38489527. The reversal of 38489520 is 2598483.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (38489527) 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, 79947 + ... + 80426.

Almost surely, 2^38489520 is an apocalyptic number.

38489520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38489520 is an abundant number, since it is smaller than the sum of its proper divisors (80828736).

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

38489520 is a wasteful number, since it uses less digits than its factorization.

38489520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160389 (or 160383 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 38489520 is about 6203.9922630513. The cubic root of 38489520 is about 337.6350296453.

The spelling of 38489520 in words is "thirty-eight million, four hundred eighty-nine thousand, five hundred twenty".