383421707 has 12 divisors (see below), whose sum is σ = 407073360. Its totient is φ = 360459792.

The previous prime is 383421679. The next prime is 383421739. The reversal of 383421707 is 707124383.

It is not a de Polignac number, because 383421707 - 2¹⁰ = 383420683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383421107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77669 + ... + 82457.

It is an arithmetic number, because the mean of its divisors is an integer number (33922780).

Almost surely, 2^383421707 is an apocalyptic number.

383421707 is a deficient number, since it is larger than the sum of its proper divisors (23651653).

383421707 is an equidigital number, since it uses as much as digits as its factorization.

383421707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930 (or 4871 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 383421707 is about 19581.1569372190. The cubic root of 383421707 is about 726.4831829431.

The spelling of 383421707 in words is "three hundred eighty-three million, four hundred twenty-one thousand, seven hundred seven".