2489091 has 12 divisors (see below), whose sum is σ = 3648456. Its totient is φ = 1508320.

The previous prime is 2489077. The next prime is 2489107. The reversal of 2489091 is 1909842.

It is not a de Polignac number, because 2489091 - 2⁷ = 2488963 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

2489091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2489491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3066 + ... + 3791.

It is an arithmetic number, because the mean of its divisors is an integer number (304038).

2^2489091 is an apocalyptic number.

2489091 is a deficient number, since it is larger than the sum of its proper divisors (1159365).

2489091 is a wasteful number, since it uses less digits than its factorization.

2489091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882 (or 6871 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 2489091 is about 1577.6853298424. The cubic root of 2489091 is about 135.5231824462.

It can be divided in two parts, 248 and 9091, that added together give a palindrome (9339).

The spelling of 2489091 in words is "two million, four hundred eighty-nine thousand, ninety-one".