38671020 has 144 divisors (see below), whose sum is σ = 124444320. Its totient is φ = 10077696.

The previous prime is 38670997. The next prime is 38671033. The reversal of 38671020 is 2017683.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 354726 + ... + 354834.

Almost surely, 2^38671020 is an apocalyptic number.

38671020 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 38671020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62222160).

38671020 is an abundant number, since it is smaller than the sum of its proper divisors (85773300).

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

38671020 is a wasteful number, since it uses less digits than its factorization.

38671020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 38671020 is about 6218.6027369498. The cubic root of 38671020 is about 338.1649114147.

The spelling of 38671020 in words is "thirty-eight million, six hundred seventy-one thousand, twenty".