10491954 has 32 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 3133200.

The previous prime is 10491953. The next prime is 10491961. The reversal of 10491954 is 45919401.

It is a super-2 number, since 2×10491954² = 220162197476232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (10491953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3567 + ... + 5805.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^10491954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10491954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11612160).

10491954 is an abundant number, since it is smaller than the sum of its proper divisors (12732366).

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

10491954 is a wasteful number, since it uses less digits than its factorization.

10491954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 10491954 is about 3239.1285865183. The cubic root of 10491954 is about 218.9200099856.

It can be divided in two parts, 1049 and 1954, that added together give a palindrome (3003).

The spelling of 10491954 in words is "ten million, four hundred ninety-one thousand, nine hundred fifty-four".