940732865 has 4 divisors (see below), whose sum is σ = 1128879444. Its totient is φ = 752586288.

The previous prime is 940732847. The next prime is 940732901. The reversal of 940732865 is 568237049.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 568237049 = 29 ⋅19594381.

It can be written as a sum of positive squares in 2 ways, for example, as 539772289 + 400960576 = 23233^2 + 20024^2 .

It is a cyclic number.

It is not a de Polignac number, because 940732865 - 2¹² = 940728769 is a prime.

It is a super-2 number, since 2×940732865² = 1769956646582216450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94073282 + ... + 94073291.

It is an arithmetic number, because the mean of its divisors is an integer number (282219861).

Almost surely, 2^940732865 is an apocalyptic number.

It is an amenable number.

940732865 is a deficient number, since it is larger than the sum of its proper divisors (188146579).

940732865 is a wasteful number, since it uses less digits than its factorization.

940732865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188146578.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 940732865 is about 30671.3688152322. The cubic root of 940732865 is about 979.8406186037.

The spelling of 940732865 in words is "nine hundred forty million, seven hundred thirty-two thousand, eight hundred sixty-five".