474987 has 4 divisors (see below), whose sum is σ = 633320. Its totient is φ = 316656.

The previous prime is 474983. The next prime is 475037. The reversal of 474987 is 789474.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 474987 - 2² = 474983 is a prime.

It is a super-2 number, since 2×474987² = 451225300338, which contains 22 as substring.

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

474987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (474983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79162 + ... + 79167.

It is an arithmetic number, because the mean of its divisors is an integer number (158330).

2⁴⁷⁴⁹⁸⁷ is an apocalyptic number.

474987 is a deficient number, since it is larger than the sum of its proper divisors (158333).

474987 is a wasteful number, since it uses less digits than its factorization.

474987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158332.

The product of its digits is 56448, while the sum is 39.

The square root of 474987 is about 689.1930063487. The cubic root of 474987 is about 78.0238257261.

The spelling of 474987 in words is "four hundred seventy-four thousand, nine hundred eighty-seven".