989474 has 4 divisors (see below), whose sum is σ = 1484214. Its totient is φ = 494736.

The previous prime is 989467. The next prime is 989477. The reversal of 989474 is 474989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 474989 = 349 ⋅1361.

It can be written as a sum of positive squares in only one way, i.e., 734449 + 255025 = 857^2 + 505^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989474.

It is not an unprimeable number, because it can be changed into a prime (989477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247367 + ... + 247370.

2⁹⁸⁹⁴⁷⁴ is an apocalyptic number.

989474 is a deficient number, since it is larger than the sum of its proper divisors (494740).

989474 is a wasteful number, since it uses less digits than its factorization.

989474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494739.

The product of its digits is 72576, while the sum is 41.

The square root of 989474 is about 994.7230770420. The cubic root of 989474 is about 99.6478950092.

The spelling of 989474 in words is "nine hundred eighty-nine thousand, four hundred seventy-four".