383223690 has 128 divisors (see below), whose sum is σ = 1119744000. Its totient is φ = 92832768.

The previous prime is 383223671. The next prime is 383223691. The reversal of 383223690 is 96322383.

It is a super-2 number, since 2×383223690² = 293720793154432200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (383223691) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131671 + ... + 134549.

It is an arithmetic number, because the mean of its divisors is an integer number (8748000).

Almost surely, 2^383223690 is an apocalyptic number.

383223690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 383223690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559872000).

383223690 is an abundant number, since it is smaller than the sum of its proper divisors (736520310).

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

383223690 is a wasteful number, since it uses less digits than its factorization.

383223690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941 (or 2935 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 383223690 is about 19576.0999690950. The cubic root of 383223690 is about 726.3580980478.

The spelling of 383223690 in words is "three hundred eighty-three million, two hundred twenty-three thousand, six hundred ninety".