869980403 has 4 divisors (see below), whose sum is σ = 870936288. Its totient is φ = 869024520.

The previous prime is 869980399. The next prime is 869980409. The reversal of 869980403 is 304089968.

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 869980403 - 2² = 869980399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (869980409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476576 + ... + 478397.

It is an arithmetic number, because the mean of its divisors is an integer number (217734072).

Almost surely, 2^869980403 is an apocalyptic number.

869980403 is a deficient number, since it is larger than the sum of its proper divisors (955885).

869980403 is an equidigital number, since it uses as much as digits as its factorization.

869980403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955884.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 869980403 is about 29495.4302053725. The cubic root of 869980403 is about 954.6331030334.

The spelling of 869980403 in words is "eight hundred sixty-nine million, nine hundred eighty thousand, four hundred three".