383746890 has 16 divisors (see below), whose sum is σ = 920992608. Its totient is φ = 102332496.

The previous prime is 383746849. The next prime is 383746897. The reversal of 383746890 is 98647383.

It is not an unprimeable number, because it can be changed into a prime (383746897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6395752 + ... + 6395811.

It is an arithmetic number, because the mean of its divisors is an integer number (57562038).

Almost surely, 2^383746890 is an apocalyptic number.

383746890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

383746890 is an abundant number, since it is smaller than the sum of its proper divisors (537245718).

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

383746890 is a wasteful number, since it uses less digits than its factorization.

383746890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12791573.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 383746890 is about 19589.4586448937. The cubic root of 383746890 is about 726.6885036317.

The spelling of 383746890 in words is "three hundred eighty-three million, seven hundred forty-six thousand, eight hundred ninety".