38488590 has 96 divisors (see below), whose sum is σ = 115315200. Its totient is φ = 8724672.

The previous prime is 38488573. The next prime is 38488607. The reversal of 38488590 is 9588483.

It is an interprime number because it is at equal distance from previous prime (38488573) and next prime (38488607).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125217 + ... + 125523.

It is an arithmetic number, because the mean of its divisors is an integer number (1201200).

Almost surely, 2^38488590 is an apocalyptic number.

38488590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38488590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57657600).

38488590 is an abundant number, since it is smaller than the sum of its proper divisors (76826610).

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

38488590 is a wasteful number, since it uses less digits than its factorization.

38488590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 38488590 is about 6203.9173108609. The cubic root of 38488590 is about 337.6323102635.

The spelling of 38488590 in words is "thirty-eight million, four hundred eighty-eight thousand, five hundred ninety".