16942290 has 32 divisors (see below), whose sum is σ = 41273280. Its totient is φ = 4449984.

The previous prime is 16942279. The next prime is 16942291. The reversal of 16942290 is 9224961.

It is not an unprimeable number, because it can be changed into a prime (16942291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2205 + ... + 6224.

It is an arithmetic number, because the mean of its divisors is an integer number (1289790).

Almost surely, 2^16942290 is an apocalyptic number.

16942290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16942290 is an abundant number, since it is smaller than the sum of its proper divisors (24330990).

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

16942290 is a wasteful number, since it uses less digits than its factorization.

16942290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8506.

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

The square root of 16942290 is about 4116.1013107065. The cubic root of 16942290 is about 256.8368710463.

The spelling of 16942290 in words is "sixteen million, nine hundred forty-two thousand, two hundred ninety".