10491258 has 16 divisors (see below), whose sum is σ = 21079296. Its totient is φ = 3480960.

The previous prime is 10491253. The next prime is 10491277. The reversal of 10491258 is 85219401.

It is a happy number.

It is a super-2 number, since 2×10491258² = 220132988845128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10491251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2583 + ... + 5258.

It is an arithmetic number, because the mean of its divisors is an integer number (1317456).

Almost surely, 2^10491258 is an apocalyptic number.

10491258 is an abundant number, since it is smaller than the sum of its proper divisors (10588038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10491258 is a wasteful number, since it uses less digits than its factorization.

10491258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 10491258 is about 3239.0211484336. The cubic root of 10491258 is about 218.9151690794.

The spelling of 10491258 in words is "ten million, four hundred ninety-one thousand, two hundred fifty-eight".