14649399 has 12 divisors (see below), whose sum is σ = 22274200. Its totient is φ = 9252144.

The previous prime is 14649389. The next prime is 14649403. The reversal of 14649399 is 99394641.

It is not a de Polignac number, because 14649399 - 2²¹ = 12552247 is a prime.

It is a super-2 number, since 2×14649399² = 429209782122402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14649319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42664 + ... + 43005.

Almost surely, 2^14649399 is an apocalyptic number.

14649399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

14649399 is a deficient number, since it is larger than the sum of its proper divisors (7624801).

14649399 is a wasteful number, since it uses less digits than its factorization.

14649399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85694 (or 85691 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 14649399 is about 3827.4533308716. The cubic root of 14649399 is about 244.6845809069.

The spelling of 14649399 in words is "fourteen million, six hundred forty-nine thousand, three hundred ninety-nine".