16442398 has 16 divisors (see below), whose sum is σ = 28264320. Its totient is φ = 7027416.

The previous prime is 16442381. The next prime is 16442399. The reversal of 16442398 is 89324461.

It is a super-3 number, since 3×16442398³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4465 + ... + 7267.

It is an arithmetic number, because the mean of its divisors is an integer number (1766520).

Almost surely, 2^16442398 is an apocalyptic number.

16442398 is a deficient number, since it is larger than the sum of its proper divisors (11821922).

16442398 is a wasteful number, since it uses less digits than its factorization.

16442398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231.

The product of its digits is 41472, while the sum is 37.

The square root of 16442398 is about 4054.9226873024. The cubic root of 16442398 is about 254.2855717171.

The spelling of 16442398 in words is "sixteen million, four hundred forty-two thousand, three hundred ninety-eight".