1901016 has 64 divisors (see below), whose sum is σ = 5695200. Its totient is φ = 584064.

The previous prime is 1900981. The next prime is 1901021. The reversal of 1901016 is 6101091.

It is a super-2 number, since 2×1901016² = 7227723664512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1901016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2470 + ... + 3146.

2^1901016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1901016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2847600).

1901016 is an abundant number, since it is smaller than the sum of its proper divisors (3794184).

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

1901016 is a wasteful number, since it uses less digits than its factorization.

1901016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1901016 is about 1378.7733678890. The cubic root of 1901016 is about 123.8783058594.

The spelling of 1901016 in words is "one million, nine hundred one thousand, sixteen".