1098970 has 8 divisors (see below), whose sum is σ = 1978164. Its totient is φ = 439584.

The previous prime is 1098967. The next prime is 1098973. The reversal of 1098970 is 798901.

It is an interprime number because it is at equal distance from previous prime (1098967) and next prime (1098973).

It can be written as a sum of positive squares in 2 ways, for example, as 1046529 + 52441 = 1023^2 + 229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1098973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54939 + ... + 54958.

2^1098970 is an apocalyptic number.

1098970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1098970 is a deficient number, since it is larger than the sum of its proper divisors (879194).

1098970 is a wasteful number, since it uses less digits than its factorization.

1098970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109904.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 1098970 is about 1048.3176999364. The cubic root of 1098970 is about 103.1957818319.

The spelling of 1098970 in words is "one million, ninety-eight thousand, nine hundred seventy".