10998574 has 4 divisors (see below), whose sum is σ = 16497864. Its totient is φ = 5499286.

The previous prime is 10998563. The next prime is 10998593. The reversal of 10998574 is 47589901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47589901 = 4337 ⋅10973.

It is a self number, because there is not a number n which added to its sum of digits gives 10998574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2749642 + ... + 2749645.

It is an arithmetic number, because the mean of its divisors is an integer number (4124466).

Almost surely, 2^10998574 is an apocalyptic number.

10998574 is a deficient number, since it is larger than the sum of its proper divisors (5499290).

10998574 is an equidigital number, since it uses as much as digits as its factorization.

10998574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499289.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 10998574 is about 3316.4098057990. The cubic root of 10998574 is about 222.3883983519.

The spelling of 10998574 in words is "ten million, nine hundred ninety-eight thousand, five hundred seventy-four".