940297813 has 32 divisors (see below), whose sum is σ = 1213293312. Its totient is φ = 708825600.

The previous prime is 940297793. The next prime is 940297819. The reversal of 940297813 is 318792049.

940297813 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 940297813 - 2²⁵ = 906743381 is a prime.

It is a super-3 number, since 3×940297813³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 940297813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940297819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157503 + ... + 163363.

It is an arithmetic number, because the mean of its divisors is an integer number (37915416).

Almost surely, 2^940297813 is an apocalyptic number.

It is an amenable number.

940297813 is a deficient number, since it is larger than the sum of its proper divisors (272995499).

940297813 is a wasteful number, since it uses less digits than its factorization.

940297813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 940297813 is about 30664.2758433980. The cubic root of 940297813 is about 979.6895493801.

The spelling of 940297813 in words is "nine hundred forty million, two hundred ninety-seven thousand, eight hundred thirteen".