940687983 has 24 divisors (see below), whose sum is σ = 1370717088. Its totient is φ = 621637632.

The previous prime is 940687981. The next prime is 940687999. The reversal of 940687983 is 389786049.

It is not a de Polignac number, because 940687983 - 2¹ = 940687981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940687981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 584566 + ... + 586172.

It is an arithmetic number, because the mean of its divisors is an integer number (57113212).

Almost surely, 2^940687983 is an apocalyptic number.

940687983 is a deficient number, since it is larger than the sum of its proper divisors (430029105).

940687983 is a wasteful number, since it uses less digits than its factorization.

940687983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 940687983 is about 30670.6371469521. The cubic root of 940687983 is about 979.8250357506.

The spelling of 940687983 in words is "nine hundred forty million, six hundred eighty-seven thousand, nine hundred eighty-three".