38679630 has 128 divisors (see below), whose sum is σ = 110592000. Its totient is φ = 8553600.

The previous prime is 38679581. The next prime is 38679679. The reversal of 38679630 is 3697683.

It is an interprime number because it is at equal distance from previous prime (38679581) and next prime (38679679).

It is a super-2 number, since 2×38679630² = 2992227553873800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 194271 + ... + 194469.

It is an arithmetic number, because the mean of its divisors is an integer number (864000).

Almost surely, 2^38679630 is an apocalyptic number.

38679630 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 38679630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55296000).

38679630 is an abundant number, since it is smaller than the sum of its proper divisors (71912370).

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

38679630 is a wasteful number, since it uses less digits than its factorization.

38679630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 38679630 is about 6219.2949761207. The cubic root of 38679630 is about 338.1900067258.

The spelling of 38679630 in words is "thirty-eight million, six hundred seventy-nine thousand, six hundred thirty".