38945850 has 24 divisors (see below), whose sum is σ = 96586080. Its totient is φ = 10385520.

The previous prime is 38945849. The next prime is 38945887. The reversal of 38945850 is 5854983.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129670 + ... + 129969.

It is an arithmetic number, because the mean of its divisors is an integer number (4024420).

Almost surely, 2^38945850 is an apocalyptic number.

38945850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38945850 is an abundant number, since it is smaller than the sum of its proper divisors (57640230).

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

38945850 is a wasteful number, since it uses less digits than its factorization.

38945850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259654 (or 259649 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 38945850 is about 6240.6610226802. The cubic root of 38945850 is about 338.9641193827.

The spelling of 38945850 in words is "thirty-eight million, nine hundred forty-five thousand, eight hundred fifty".