10990454 has 4 divisors (see below), whose sum is σ = 16485684. Its totient is φ = 5495226.

The previous prime is 10990423. The next prime is 10990457. The reversal of 10990454 is 45409901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45409901 = 5743 ⋅7907.

It is a super-2 number, since 2×10990454² = 241580158252232, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10990454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10990457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2747612 + ... + 2747615.

It is an arithmetic number, because the mean of its divisors is an integer number (4121421).

Almost surely, 2^10990454 is an apocalyptic number.

10990454 is a deficient number, since it is larger than the sum of its proper divisors (5495230).

10990454 is an equidigital number, since it uses as much as digits as its factorization.

10990454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5495229.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 10990454 is about 3315.1853643499. The cubic root of 10990454 is about 222.3336567594. Note that the first 3 decimals are identical.

The spelling of 10990454 in words is "ten million, nine hundred ninety thousand, four hundred fifty-four".