1016490 has 32 divisors (see below), whose sum is σ = 2520576. Its totient is φ = 262080.

The previous prime is 1016489. The next prime is 1016497. The reversal of 1016490 is 946101.

1016490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1016497) 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, 384 + ... + 1476.

It is an arithmetic number, because the mean of its divisors is an integer number (78768).

2^1016490 is an apocalyptic number.

1016490 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 1016490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260288).

1016490 is an abundant number, since it is smaller than the sum of its proper divisors (1504086).

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

1016490 is a wasteful number, since it uses less digits than its factorization.

1016490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1016490 is about 1008.2112873798. The cubic root of 1016490 is about 100.5466727104.

The spelling of 1016490 in words is "one million, sixteen thousand, four hundred ninety".