38749020 has 96 divisors (see below), whose sum is σ = 116024832. Its totient is φ = 9639168.

The previous prime is 38749019. The next prime is 38749033. The reversal of 38749020 is 2094783.

38749020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59014 + ... + 59666.

It is an arithmetic number, because the mean of its divisors is an integer number (1208592).

Almost surely, 2^38749020 is an apocalyptic number.

38749020 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 38749020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58012416).

38749020 is an abundant number, since it is smaller than the sum of its proper divisors (77275812).

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

38749020 is a wasteful number, since it uses less digits than its factorization.

38749020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 38749020 is about 6224.8710830024. The cubic root of 38749020 is about 338.3921198753.

The spelling of 38749020 in words is "thirty-eight million, seven hundred forty-nine thousand, twenty".