7940383 has 12 divisors (see below), whose sum is σ = 8809920. Its totient is φ = 7150880.

The previous prime is 7940381. The next prime is 7940389. The reversal of 7940383 is 3830497.

It is not a de Polignac number, because 7940383 - 2¹ = 7940381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16338 + ... + 16816.

It is an arithmetic number, because the mean of its divisors is an integer number (734160).

Almost surely, 2^7940383 is an apocalyptic number.

7940383 is a deficient number, since it is larger than the sum of its proper divisors (869537).

7940383 is a wasteful number, since it uses less digits than its factorization.

7940383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 7940383 is about 2817.8685207085. The cubic root of 7940383 is about 199.5019524393.

The spelling of 7940383 in words is "seven million, nine hundred forty thousand, three hundred eighty-three".