10997458 has 4 divisors (see below), whose sum is σ = 16496190. Its totient is φ = 5498728.

The previous prime is 10997449. The next prime is 10997477. The reversal of 10997458 is 85479901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85479901 = 13 ⋅6575377.

It can be written as a sum of positive squares in only one way, i.e., 6985449 + 4012009 = 2643^2 + 2003^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2749363 + ... + 2749366.

Almost surely, 2^10997458 is an apocalyptic number.

10997458 is a deficient number, since it is larger than the sum of its proper divisors (5498732).

10997458 is an equidigital number, since it uses as much as digits as its factorization.

10997458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498731.

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

The square root of 10997458 is about 3316.2415472942. The cubic root of 10997458 is about 222.3808763511.

The spelling of 10997458 in words is "ten million, nine hundred ninety-seven thousand, four hundred fifty-eight".