38744130 has 16 divisors (see below), whose sum is σ = 92985984. Its totient is φ = 10331760.

The previous prime is 38744129. The next prime is 38744137. The reversal of 38744130 is 3144783.

It is a super-2 number, since 2×38744130² = 3002215218913800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1291471 = 38744130 / (3 + 8 + 7 + 4 + 4 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (38744137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645706 + ... + 645765.

It is an arithmetic number, because the mean of its divisors is an integer number (5811624).

Almost surely, 2^38744130 is an apocalyptic number.

38744130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38744130 is an abundant number, since it is smaller than the sum of its proper divisors (54241854).

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

38744130 is a wasteful number, since it uses less digits than its factorization.

38744130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291481.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 38744130 is about 6224.4782913912. The cubic root of 38744130 is about 338.3778846157.

The spelling of 38744130 in words is "thirty-eight million, seven hundred forty-four thousand, one hundred thirty".