38128468 has 36 divisors (see below), whose sum is σ = 79289280. Its totient is φ = 15989232.

The previous prime is 38128439. The next prime is 38128499. The reversal of 38128468 is 86482183.

It is a self number, because there is not a number n which added to its sum of digits gives 38128468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7143 + ... + 11281.

It is an arithmetic number, because the mean of its divisors is an integer number (2202480).

Almost surely, 2^38128468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38128468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39644640).

38128468 is an abundant number, since it is smaller than the sum of its proper divisors (41160812).

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

38128468 is a wasteful number, since it uses less digits than its factorization.

38128468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204 (or 4195 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 38128468 is about 6174.8253416595. The cubic root of 38128468 is about 336.5759796695.

The spelling of 38128468 in words is "thirty-eight million, one hundred twenty-eight thousand, four hundred sixty-eight".