16893090 has 128 divisors (see below), whose sum is σ = 49248000. Its totient is φ = 4105728.

The previous prime is 16893089. The next prime is 16893091. The reversal of 16893090 is 9039861.

It is an interprime number because it is at equal distance from previous prime (16893089) and next prime (16893091).

It is not an unprimeable number, because it can be changed into a prime (16893091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189766 + ... + 189854.

It is an arithmetic number, because the mean of its divisors is an integer number (384750).

Almost surely, 2^16893090 is an apocalyptic number.

16893090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16893090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24624000).

16893090 is an abundant number, since it is smaller than the sum of its proper divisors (32354910).

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

16893090 is a wasteful number, since it uses less digits than its factorization.

16893090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 16893090 is about 4110.1204361916. The cubic root of 16893090 is about 256.5880139805.

The spelling of 16893090 in words is "sixteen million, eight hundred ninety-three thousand, ninety".