869731401 has 64 divisors (see below), whose sum is σ = 1494484992. Its totient is φ = 436800000.

The previous prime is 869731399. The next prime is 869731427. The reversal of 869731401 is 104137968.

869731401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 869731401 - 2¹ = 869731399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 869731401.

It is not an unprimeable number, because it can be changed into a prime (869731451) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1240351 + ... + 1241051.

It is an arithmetic number, because the mean of its divisors is an integer number (23351328).

Almost surely, 2^869731401 is an apocalyptic number.

It is an amenable number.

869731401 is a deficient number, since it is larger than the sum of its proper divisors (624753591).

869731401 is a wasteful number, since it uses less digits than its factorization.

869731401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 869731401 is about 29491.2088765449. The cubic root of 869731401 is about 954.5420173671.

The spelling of 869731401 in words is "eight hundred sixty-nine million, seven hundred thirty-one thousand, four hundred one".