383876394 has 64 divisors (see below), whose sum is σ = 894440448. Its totient is φ = 108662400.

The previous prime is 383876321. The next prime is 383876429. The reversal of 383876394 is 493678383.

It is a super-2 number, since 2×383876394² = 294722171740886472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62334 + ... + 68214.

It is an arithmetic number, because the mean of its divisors is an integer number (13975632).

Almost surely, 2^383876394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383876394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447220224).

383876394 is an abundant number, since it is smaller than the sum of its proper divisors (510564054).

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

383876394 is a wasteful number, since it uses less digits than its factorization.

383876394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963.

The product of its digits is 2612736, while the sum is 51.

The square root of 383876394 is about 19592.7638172872. The cubic root of 383876394 is about 726.7702402190.

The spelling of 383876394 in words is "three hundred eighty-three million, eight hundred seventy-six thousand, three hundred ninety-four".