38685000 has 80 divisors (see below), whose sum is σ = 120898800. Its totient is φ = 10312000.

The previous prime is 38684999. The next prime is 38685001. The reversal of 38685000 is 58683.

It is an interprime number because it is at equal distance from previous prime (38684999) and next prime (38685001).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (38685001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13711 + ... + 16289.

It is an arithmetic number, because the mean of its divisors is an integer number (1511235).

Almost surely, 2^38685000 is an apocalyptic number.

38685000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38685000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60449400).

38685000 is an abundant number, since it is smaller than the sum of its proper divisors (82213800).

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

38685000 is a wasteful number, since it uses less digits than its factorization.

38685000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608 (or 2589 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 38685000 is about 6219.7266820979. The cubic root of 38685000 is about 338.2056566196.

The spelling of 38685000 in words is "thirty-eight million, six hundred eighty-five thousand".