1992470 has 8 divisors (see below), whose sum is σ = 3586464. Its totient is φ = 796984.

The previous prime is 1992469. The next prime is 1992481. The reversal of 1992470 is 742991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99614 + ... + 99633.

It is an arithmetic number, because the mean of its divisors is an integer number (448308).

2^1992470 is an apocalyptic number.

1992470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1992470 is a deficient number, since it is larger than the sum of its proper divisors (1593994).

1992470 is a wasteful number, since it uses less digits than its factorization.

1992470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199254.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1992470 is about 1411.5487947641. The cubic root of 1992470 is about 125.8337860409.

The spelling of 1992470 in words is "one million, nine hundred ninety-two thousand, four hundred seventy".