38625870 has 64 divisors (see below), whose sum is σ = 100077120. Its totient is φ = 9504768.

The previous prime is 38625863. The next prime is 38625877. The reversal of 38625870 is 7852683.

It is an interprime number because it is at equal distance from previous prime (38625863) and next prime (38625877).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38625877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26316 + ... + 27744.

It is an arithmetic number, because the mean of its divisors is an integer number (1563705).

Almost surely, 2^38625870 is an apocalyptic number.

38625870 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 38625870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50038560).

38625870 is an abundant number, since it is smaller than the sum of its proper divisors (61451250).

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

38625870 is a wasteful number, since it uses less digits than its factorization.

38625870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 38625870 is about 6214.9714399987. The cubic root of 38625870 is about 338.0332530336.

The spelling of 38625870 in words is "thirty-eight million, six hundred twenty-five thousand, eight hundred seventy".