38940480 has 112 divisors (see below), whose sum is σ = 137403840. Its totient is φ = 10381824.

The previous prime is 38940479. The next prime is 38940491. The reversal of 38940480 is 8404983.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 6387 + ... + 10893.

It is an arithmetic number, because the mean of its divisors is an integer number (1226820).

Almost surely, 2^38940480 is an apocalyptic number.

38940480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38940480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68701920).

38940480 is an abundant number, since it is smaller than the sum of its proper divisors (98463360).

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

38940480 is a wasteful number, since it uses less digits than its factorization.

38940480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533 (or 4517 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 38940480 is about 6240.2307649637. The cubic root of 38940480 is about 338.9485394515.

The spelling of 38940480 in words is "thirty-eight million, nine hundred forty thousand, four hundred eighty".