383409953 has 8 divisors (see below), whose sum is σ = 400227840. Its totient is φ = 366870240.

The previous prime is 383409937. The next prime is 383409967. The reversal of 383409953 is 359904383.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 383409953 - 2⁴ = 383409937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383409913) 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, 66725 + ... + 72242.

It is an arithmetic number, because the mean of its divisors is an integer number (50028480).

Almost surely, 2^383409953 is an apocalyptic number.

It is an amenable number.

383409953 is a deficient number, since it is larger than the sum of its proper divisors (16817887).

383409953 is a wasteful number, since it uses less digits than its factorization.

383409953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139087.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 383409953 is about 19580.8567994355. The cubic root of 383409953 is about 726.4757592888.

The spelling of 383409953 in words is "three hundred eighty-three million, four hundred nine thousand, nine hundred fifty-three".