14621409 has 24 divisors (see below), whose sum is σ = 23261472. Its totient is φ = 8776320.

The previous prime is 14621407. The next prime is 14621417. The reversal of 14621409 is 90412641.

It is not a de Polignac number, because 14621409 - 2¹ = 14621407 is a prime.

It is a super-2 number, since 2×14621409² = 427571202290562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14621407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10534 + ... + 11840.

It is an arithmetic number, because the mean of its divisors is an integer number (969228).

Almost surely, 2^14621409 is an apocalyptic number.

It is an amenable number.

14621409 is a deficient number, since it is larger than the sum of its proper divisors (8640063).

14621409 is a wasteful number, since it uses less digits than its factorization.

14621409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437 (or 1434 counting only the distinct ones).

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

The square root of 14621409 is about 3823.7951043433. The cubic root of 14621409 is about 244.5286453196.

The spelling of 14621409 in words is "fourteen million, six hundred twenty-one thousand, four hundred nine".