10990426 has 8 divisors (see below), whose sum is σ = 16532640. Its totient is φ = 5479548.

The previous prime is 10990423. The next prime is 10990457. The reversal of 10990426 is 62409901.

It is a happy number.

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

It is a super-2 number, since 2×10990426² = 241578927322952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10990423) 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, 6936 + ... + 8371.

It is an arithmetic number, because the mean of its divisors is an integer number (2066580).

Almost surely, 2^10990426 is an apocalyptic number.

10990426 is a deficient number, since it is larger than the sum of its proper divisors (5542214).

10990426 is a wasteful number, since it uses less digits than its factorization.

10990426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15668.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 10990426 is about 3315.1811413556. The cubic root of 10990426 is about 222.3334679486. Note that the first 3 decimals are identical.

The spelling of 10990426 in words is "ten million, nine hundred ninety thousand, four hundred twenty-six".