981498 has 16 divisors (see below), whose sum is σ = 2243520. Its totient is φ = 280416.

The previous prime is 981493. The next prime is 981517. The reversal of 981498 is 894189.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (981493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11643 + ... + 11726.

It is an arithmetic number, because the mean of its divisors is an integer number (140220).

2⁹⁸¹⁴⁹⁸ is an apocalyptic number.

981498 is an abundant number, since it is smaller than the sum of its proper divisors (1262022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

981498 is a wasteful number, since it uses less digits than its factorization.

981498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23381.

The product of its digits is 20736, while the sum is 39.

The square root of 981498 is about 990.7058090069. The cubic root of 981498 is about 99.3794234810.

It can be divided in two parts, 98 and 1498, that added together give a triangular number (1596 = T₅₆).

The spelling of 981498 in words is "nine hundred eighty-one thousand, four hundred ninety-eight".