612940383 has 36 divisors (see below), whose sum is σ = 989223144. Its totient is φ = 365349600.

The previous prime is 612940379. The next prime is 612940421. The reversal of 612940383 is 383049216.

612940383 is a `hidden beast` number, since 612 + 9 + 4 + 0 + 38 + 3 = 666.

612940383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612940383 - 2² = 612940379 is a prime.

It is a super-2 number, since 2×612940383² = 751391826224373378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612940883) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 61816 + ... + 71042.

Almost surely, 2^612940383 is an apocalyptic number.

612940383 is a deficient number, since it is larger than the sum of its proper divisors (376282761).

612940383 is a wasteful number, since it uses less digits than its factorization.

612940383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9316 (or 9302 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 612940383 is about 24757.6328230306. The cubic root of 612940383 is about 849.4531121077.

Adding to 612940383 its reverse (383049216), we get a palindrome (995989599).

The spelling of 612940383 in words is "six hundred twelve million, nine hundred forty thousand, three hundred eighty-three".