1491498 has 48 divisors (see below), whose sum is σ = 3459456. Its totient is φ = 463680.

The previous prime is 1491493. The next prime is 1491509. The reversal of 1491498 is 8941941.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1491491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31711 + ... + 31757.

It is an arithmetic number, because the mean of its divisors is an integer number (72072).

2^1491498 is an apocalyptic number.

1491498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1491498 is an abundant number, since it is smaller than the sum of its proper divisors (1967958).

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

1491498 is a wasteful number, since it uses less digits than its factorization.

1491498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 136 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1491498 is about 1221.2690121345. The cubic root of 1491498 is about 114.2547396713.

The spelling of 1491498 in words is "one million, four hundred ninety-one thousand, four hundred ninety-eight".