940348399 has 8 divisors (see below), whose sum is σ = 1032877440. Its totient is φ = 852123096.

The previous prime is 940348391. The next prime is 940348427. The reversal of 940348399 is 993843049.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 940348399 - 2³ = 940348391 is a prime.

It is a super-2 number, since 2×940348399² = 1768510223003726402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940348391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075477 + ... + 1076350.

It is an arithmetic number, because the mean of its divisors is an integer number (129109680).

Almost surely, 2^940348399 is an apocalyptic number.

940348399 is a deficient number, since it is larger than the sum of its proper divisors (92529041).

940348399 is a wasteful number, since it uses less digits than its factorization.

940348399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151869.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 940348399 is about 30665.1006683494. The cubic root of 940348399 is about 979.7071174620.

The spelling of 940348399 in words is "nine hundred forty million, three hundred forty-eight thousand, three hundred ninety-nine".