38113740 has 120 divisors (see below), whose sum is σ = 136685472. Its totient is φ = 8709120.

The previous prime is 38113739. The next prime is 38113741. The reversal of 38113740 is 4731183.

It is an interprime number because it is at equal distance from previous prime (38113739) and next prime (38113741).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (38113741) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 9660 + ... + 13020.

Almost surely, 2^38113740 is an apocalyptic number.

38113740 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 38113740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68342736).

38113740 is an abundant number, since it is smaller than the sum of its proper divisors (98571732).

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

38113740 is a wasteful number, since it uses less digits than its factorization.

38113740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389 (or 3378 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 38113740 is about 6173.6326421322. The cubic root of 38113740 is about 336.5326373439.

The spelling of 38113740 in words is "thirty-eight million, one hundred thirteen thousand, seven hundred forty".