999470 has 16 divisors (see below), whose sum is σ = 1820880. Its totient is φ = 394944.

The previous prime is 999451. The next prime is 999491. The reversal of 999470 is 74999.

It is a congruent number.

It is an unprimeable number.

999470 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329 + ... + 1451.

It is an arithmetic number, because the mean of its divisors is an integer number (113805).

2⁹⁹⁹⁴⁷⁰ is an apocalyptic number.

999470 is a deficient number, since it is larger than the sum of its proper divisors (821410).

999470 is a wasteful number, since it uses less digits than its factorization.

999470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 999470 is about 999.7349648782. The cubic root of 999470 is about 99.9823302113.

The spelling of 999470 in words is "nine hundred ninety-nine thousand, four hundred seventy".