38985630 has 32 divisors (see below), whose sum is σ = 93732768. Its totient is φ = 10377600.

The previous prime is 38985613. The next prime is 38985637. The reversal of 38985630 is 3658983.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38985637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27540 + ... + 28920.

It is an arithmetic number, because the mean of its divisors is an integer number (2929149).

Almost surely, 2^38985630 is an apocalyptic number.

38985630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38985630 is an abundant number, since it is smaller than the sum of its proper divisors (54747138).

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

38985630 is a wasteful number, since it uses less digits than its factorization.

38985630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 38985630 is about 6243.8473716131. The cubic root of 38985630 is about 339.0794881519.

The spelling of 38985630 in words is "thirty-eight million, nine hundred eighty-five thousand, six hundred thirty".