670383 has 16 divisors (see below), whose sum is σ = 1135360. Its totient is φ = 382968.

The previous prime is 670379. The next prime is 670399. The reversal of 670383 is 383076.

It is a happy number.

670383 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 670383 - 2² = 670379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

670383 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1585 + ... + 1962.

It is an arithmetic number, because the mean of its divisors is an integer number (70960).

2⁶⁷⁰³⁸³ is an apocalyptic number.

670383 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

670383 is a deficient number, since it is larger than the sum of its proper divisors (464977).

670383 is a wasteful number, since it uses less digits than its factorization.

670383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563 (or 3557 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 670383 is about 818.7691982482. The cubic root of 670383 is about 87.5200715859.

It can be divided in two parts, 6703 and 83, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 670383 in words is "six hundred seventy thousand, three hundred eighty-three".