16294890 has 16 divisors (see below), whose sum is σ = 39107808. Its totient is φ = 4345296.

The previous prime is 16294877. The next prime is 16294919. The reversal of 16294890 is 9849261.

It is a super-2 number, since 2×16294890² = 531046880224200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271552 + ... + 271611.

It is an arithmetic number, because the mean of its divisors is an integer number (2444238).

Almost surely, 2^16294890 is an apocalyptic number.

16294890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16294890 is an abundant number, since it is smaller than the sum of its proper divisors (22812918).

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

16294890 is a wasteful number, since it uses less digits than its factorization.

16294890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543173.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 16294890 is about 4036.6929533964. The cubic root of 16294890 is about 253.5228710074.

The spelling of 16294890 in words is "sixteen million, two hundred ninety-four thousand, eight hundred ninety".