14491620 has 144 divisors (see below), whose sum is σ = 51734592. Its totient is φ = 3237120.

The previous prime is 14491583. The next prime is 14491627. The reversal of 14491620 is 2619441.

It is not an unprimeable number, because it can be changed into a prime (14491627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25459 + ... + 26021.

It is an arithmetic number, because the mean of its divisors is an integer number (359268).

Almost surely, 2^14491620 is an apocalyptic number.

14491620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14491620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25867296).

14491620 is an abundant number, since it is smaller than the sum of its proper divisors (37242972).

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

14491620 is a wasteful number, since it uses less digits than its factorization.

14491620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 14491620 is about 3806.7860459973. The cubic root of 14491620 is about 243.8029628502.

The spelling of 14491620 in words is "fourteen million, four hundred ninety-one thousand, six hundred twenty".