16472399 has 4 divisors (see below), whose sum is σ = 16488264. Its totient is φ = 16456536.

The previous prime is 16472383. The next prime is 16472441. The reversal of 16472399 is 99327461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99327461 = 41 ⋅2422621.

It is a cyclic number.

It is not a de Polignac number, because 16472399 - 2⁴ = 16472383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6257 + ... + 8490.

It is an arithmetic number, because the mean of its divisors is an integer number (4122066).

Almost surely, 2^16472399 is an apocalyptic number.

16472399 is a deficient number, since it is larger than the sum of its proper divisors (15865).

16472399 is a wasteful number, since it uses less digits than its factorization.

16472399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15864.

The product of its digits is 81648, while the sum is 41.

The square root of 16472399 is about 4058.6203320833. The cubic root of 16472399 is about 254.4401352678.

The spelling of 16472399 in words is "sixteen million, four hundred seventy-two thousand, three hundred ninety-nine".