940521679 has 16 divisors (see below), whose sum is σ = 1037255680. Its totient is φ = 849372480.

The previous prime is 940521667. The next prime is 940521691. The reversal of 940521679 is 976125049.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (940521667) and next prime (940521691).

It is a cyclic number.

It is not a de Polignac number, because 940521679 - 2¹³ = 940513487 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940521479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27547 + ... + 51379.

It is an arithmetic number, because the mean of its divisors is an integer number (64828480).

Almost surely, 2^940521679 is an apocalyptic number.

940521679 is a deficient number, since it is larger than the sum of its proper divisors (96734001).

940521679 is a wasteful number, since it uses less digits than its factorization.

940521679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23950.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 940521679 is about 30667.9258998714. The cubic root of 940521679 is about 979.7672913376.

The spelling of 940521679 in words is "nine hundred forty million, five hundred twenty-one thousand, six hundred seventy-nine".