1016890 has 32 divisors (see below), whose sum is σ = 2131200. Its totient is φ = 342144.

The previous prime is 1016881. The next prime is 1016891. The reversal of 1016890 is 986101.

1016890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016891) 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, 5011 + ... + 5209.

It is an arithmetic number, because the mean of its divisors is an integer number (66600).

2^1016890 is an apocalyptic number.

1016890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1016890 is an abundant number, since it is smaller than the sum of its proper divisors (1114310).

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

1016890 is a wasteful number, since it uses less digits than its factorization.

1016890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1016890 is about 1008.4096389861. The cubic root of 1016890 is about 100.5598597215.

It can be divided in two parts, 10 and 16890, that added together give a square (16900 = 130²).

The spelling of 1016890 in words is "one million, sixteen thousand, eight hundred ninety".