1098567 has 12 divisors (see below), whose sum is σ = 1630200. Its totient is φ = 712368.

The previous prime is 1098541. The next prime is 1098593. The reversal of 1098567 is 7658901.

1098567 is a `hidden beast` number, since 1 + 0 + 98 + 567 = 666.

It is an interprime number because it is at equal distance from previous prime (1098541) and next prime (1098593).

It is not a de Polignac number, because 1098567 - 2⁷ = 1098439 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1317 + ... + 1982.

It is an arithmetic number, because the mean of its divisors is an integer number (135850).

2^1098567 is an apocalyptic number.

1098567 is a deficient number, since it is larger than the sum of its proper divisors (531633).

1098567 is a wasteful number, since it uses less digits than its factorization.

1098567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342 (or 3339 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1098567 is about 1048.1254695884. The cubic root of 1098567 is about 103.1831660842.

The spelling of 1098567 in words is "one million, ninety-eight thousand, five hundred sixty-seven".