38741820 has 48 divisors (see below), whose sum is σ = 116823840. Its totient is φ = 9536256.

The previous prime is 38741803. The next prime is 38741831. The reversal of 38741820 is 2814783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24055 + ... + 25614.

It is an arithmetic number, because the mean of its divisors is an integer number (2433830).

Almost surely, 2^38741820 is an apocalyptic number.

38741820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38741820 is an abundant number, since it is smaller than the sum of its proper divisors (78082020).

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

38741820 is a wasteful number, since it uses less digits than its factorization.

38741820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49694 (or 49692 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 38741820 is about 6224.2927309053. The cubic root of 38741820 is about 338.3711595673.

The spelling of 38741820 in words is "thirty-eight million, seven hundred forty-one thousand, eight hundred twenty".