38940120 has 96 divisors (see below), whose sum is σ = 133239600. Its totient is φ = 9835776.

The previous prime is 38940089. The next prime is 38940131. The reversal of 38940120 is 2104983.

It is a super-2 number, since 2×38940120² = 3032665891228800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3994 + ... + 9686.

Almost surely, 2^38940120 is an apocalyptic number.

38940120 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 38940120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66619800).

38940120 is an abundant number, since it is smaller than the sum of its proper divisors (94299480).

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

38940120 is a wasteful number, since it uses less digits than its factorization.

38940120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729 (or 5722 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 38940120 is about 6240.2019198100. The cubic root of 38940120 is about 338.9474949356.

It can be divided in two parts, 38940 and 120, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 38940120 in words is "thirty-eight million, nine hundred forty thousand, one hundred twenty".