38242530 has 80 divisors (see below), whose sum is σ = 106216704. Its totient is φ = 9862560.

The previous prime is 38242513. The next prime is 38242553. The reversal of 38242530 is 3524283.

It is a super-2 number, since 2×38242530² = 2924982201601800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 38242494 and 38242503.

It is an unprimeable number.

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, 24349 + ... + 25871.

Almost surely, 2^38242530 is an apocalyptic number.

38242530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38242530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53108352).

38242530 is an abundant number, since it is smaller than the sum of its proper divisors (67974174).

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

38242530 is a wasteful number, since it uses less digits than its factorization.

38242530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 38242530 is about 6184.0544952321. The cubic root of 38242530 is about 336.9112699213.

The spelling of 38242530 in words is "thirty-eight million, two hundred forty-two thousand, five hundred thirty".