38450724 has 48 divisors (see below), whose sum is σ = 97598592. Its totient is φ = 11711232.

The previous prime is 38450717. The next prime is 38450749. The reversal of 38450724 is 42705483.

It is a super-2 number, since 2×38450724² = 2956916352248352, which contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 14872 + ... + 17264.

It is an arithmetic number, because the mean of its divisors is an integer number (2033304).

Almost surely, 2^38450724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38450724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48799296).

38450724 is an abundant number, since it is smaller than the sum of its proper divisors (59147868).

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

38450724 is a wasteful number, since it uses less digits than its factorization.

38450724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 38450724 is about 6200.8647783999. The cubic root of 38450724 is about 337.5215503386.

The spelling of 38450724 in words is "thirty-eight million, four hundred fifty thousand, seven hundred twenty-four".