940304399 has 4 divisors (see below), whose sum is σ = 943650960. Its totient is φ = 936957840.

The previous prime is 940304371. The next prime is 940304437. The reversal of 940304399 is 993403049.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 940304399 - 2¹² = 940300303 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 (940304359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1672859 + ... + 1673420.

It is an arithmetic number, because the mean of its divisors is an integer number (235912740).

Almost surely, 2^940304399 is an apocalyptic number.

940304399 is a deficient number, since it is larger than the sum of its proper divisors (3346561).

940304399 is a wasteful number, since it uses less digits than its factorization.

940304399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346560.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 940304399 is about 30664.3832320169. The cubic root of 940304399 is about 979.6918366768.

The spelling of 940304399 in words is "nine hundred forty million, three hundred four thousand, three hundred ninety-nine".