16992402 has 48 divisors (see below), whose sum is σ = 40228416. Its totient is φ = 4687200.

The previous prime is 16992397. The next prime is 16992419. The reversal of 16992402 is 20429961.

It is a super-3 number, since 3×16992402³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40152 + ... + 40572.

It is an arithmetic number, because the mean of its divisors is an integer number (838092).

Almost surely, 2^16992402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16992402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20114208).

16992402 is an abundant number, since it is smaller than the sum of its proper divisors (23236014).

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

16992402 is a wasteful number, since it uses less digits than its factorization.

16992402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 16992402 is about 4122.1841298030. The cubic root of 16992402 is about 257.0898463034.

The spelling of 16992402 in words is "sixteen million, nine hundred ninety-two thousand, four hundred two".