2091284 has 24 divisors (see below), whose sum is σ = 3984288. Its totient is φ = 954720.

The previous prime is 2091283. The next prime is 2091293. The reversal of 2091284 is 4821902.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091281) 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, 6659 + ... + 6965.

It is an arithmetic number, because the mean of its divisors is an integer number (166012).

2^2091284 is an apocalyptic number.

It is an amenable number.

2091284 is a deficient number, since it is larger than the sum of its proper divisors (1893004).

2091284 is a wasteful number, since it uses less digits than its factorization.

2091284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2091284 is about 1446.1272419811. The cubic root of 2091284 is about 127.8805037116.

The spelling of 2091284 in words is "two million, ninety-one thousand, two hundred eighty-four".