383394960 has 120 divisors (see below), whose sum is σ = 1386645624. Its totient is φ = 94371840.

The previous prime is 383394919. The next prime is 383394961. The reversal of 383394960 is 69493383.

It can be written as a sum of positive squares in 4 ways, for example, as 48944016 + 334450944 = 6996^2 + 18288^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (383394961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11121 + ... + 29840.

Almost surely, 2^383394960 is an apocalyptic number.

383394960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

383394960 is an abundant number, since it is smaller than the sum of its proper divisors (1003250664).

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

383394960 is a wasteful number, since it uses less digits than its factorization.

383394960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40993 (or 40984 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 383394960 is about 19580.4739472772. The cubic root of 383394960 is about 726.4662897094.

The spelling of 383394960 in words is "three hundred eighty-three million, three hundred ninety-four thousand, nine hundred sixty".