940528999 has 4 divisors (see below), whose sum is σ = 943553520. Its totient is φ = 937504480.

The previous prime is 940528991. The next prime is 940529021. The reversal of 940528999 is 999825049.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 940528999 - 2³ = 940528991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940528991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511794 + ... + 1512415.

It is an arithmetic number, because the mean of its divisors is an integer number (235888380).

Almost surely, 2^940528999 is an apocalyptic number.

940528999 is a deficient number, since it is larger than the sum of its proper divisors (3024521).

940528999 is a wasteful number, since it uses less digits than its factorization.

940528999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024520.

The product of its (nonzero) digits is 2099520, while the sum is 55.

The square root of 940528999 is about 30668.0452425648. The cubic root of 940528999 is about 979.7698331461.

The spelling of 940528999 in words is "nine hundred forty million, five hundred twenty-eight thousand, nine hundred ninety-nine".