988574 has 4 divisors (see below), whose sum is σ = 1482864. Its totient is φ = 494286.

The previous prime is 988571. The next prime is 988577. The reversal of 988574 is 475889.

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

It is an interprime number because it is at equal distance from previous prime (988571) and next prime (988577).

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988574.

It is not an unprimeable number, because it can be changed into a prime (988571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247142 + ... + 247145.

It is an arithmetic number, because the mean of its divisors is an integer number (370716).

2⁹⁸⁸⁵⁷⁴ is an apocalyptic number.

988574 is a deficient number, since it is larger than the sum of its proper divisors (494290).

988574 is a wasteful number, since it uses less digits than its factorization.

988574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494289.

The product of its digits is 80640, while the sum is 41.

The square root of 988574 is about 994.2705869128. The cubic root of 988574 is about 99.6176734604.

The spelling of 988574 in words is "nine hundred eighty-eight thousand, five hundred seventy-four".