2149788 has 24 divisors (see below), whose sum is σ = 5178880. Its totient is φ = 693360.

The previous prime is 2149781. The next prime is 2149789. The reversal of 2149788 is 8879412.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149781) 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, 2518 + ... + 3261.

2^2149788 is an apocalyptic number.

It is an amenable number.

2149788 is an abundant number, since it is smaller than the sum of its proper divisors (3029092).

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

2149788 is a wasteful number, since it uses less digits than its factorization.

2149788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817 (or 5815 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 2149788 is about 1466.2155366794. The cubic root of 2149788 is about 129.0620457492.

The spelling of 2149788 in words is "two million, one hundred forty-nine thousand, seven hundred eighty-eight".