899470 has 64 divisors (see below), whose sum is σ = 2068416. Its totient is φ = 276480.

The previous prime is 899467. The next prime is 899473. The reversal of 899470 is 74998.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (899467) and next prime (899473).

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24292 + ... + 24328.

It is an arithmetic number, because the mean of its divisors is an integer number (32319).

2⁸⁹⁹⁴⁷⁰ is an apocalyptic number.

899470 is an abundant number, since it is smaller than the sum of its proper divisors (1168946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899470 is a wasteful number, since it uses less digits than its factorization.

899470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 899470 is about 948.4039223875. The cubic root of 899470 is about 96.5299825401.

899470 divided by its sum of digits (37) gives a triangular number (24310 = T₂₂₀).

It can be divided in two parts, 899 and 470, that added together give a square (1369 = 37²).

The spelling of 899470 in words is "eight hundred ninety-nine thousand, four hundred seventy".