1098495 has 32 divisors (see below), whose sum is σ = 1996800. Its totient is φ = 572832.

The previous prime is 1098481. The next prime is 1098509. The reversal of 1098495 is 5948901.

It is an interprime number because it is at equal distance from previous prime (1098481) and next prime (1098509).

It is not a de Polignac number, because 1098495 - 2⁴ = 1098479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10614 + ... + 10716.

It is an arithmetic number, because the mean of its divisors is an integer number (62400).

2^1098495 is an apocalyptic number.

1098495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1098495 is a deficient number, since it is larger than the sum of its proper divisors (898305).

1098495 is a wasteful number, since it uses less digits than its factorization.

1098495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1098495 is about 1048.0911219927. The cubic root of 1098495 is about 103.1809118293.

The spelling of 1098495 in words is "one million, ninety-eight thousand, four hundred ninety-five".