16996890 has 16 divisors (see below), whose sum is σ = 40792608. Its totient is φ = 4532496.

The previous prime is 16996883. The next prime is 16996891. The reversal of 16996890 is 9869961.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16996891) 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, 283252 + ... + 283311.

It is an arithmetic number, because the mean of its divisors is an integer number (2549538).

Almost surely, 2^16996890 is an apocalyptic number.

16996890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16996890 is an abundant number, since it is smaller than the sum of its proper divisors (23795718).

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

16996890 is a wasteful number, since it uses less digits than its factorization.

16996890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566573.

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 16996890 is about 4122.7284654704. The cubic root of 16996890 is about 257.1124783336.

The spelling of 16996890 in words is "sixteen million, nine hundred ninety-six thousand, eight hundred ninety".