2149512 has 16 divisors (see below), whose sum is σ = 5373840. Its totient is φ = 716496.

The previous prime is 2149501. The next prime is 2149517. The reversal of 2149512 is 2159412.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 89563 = 2149512 / (2 + 1 + 4 + 9 + 5 + 1 + 2).

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 4⁷ + 9² + 5⁵ + 1 + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2149517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44758 + ... + 44805.

It is an arithmetic number, because the mean of its divisors is an integer number (335865).

2^2149512 is an apocalyptic number.

It is an amenable number.

2149512 is an abundant number, since it is smaller than the sum of its proper divisors (3224328).

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

2149512 is a wasteful number, since it uses less digits than its factorization.

2149512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89572 (or 89568 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 2149512 is about 1466.1214137990. The cubic root of 2149512 is about 129.0565223132.

The spelling of 2149512 in words is "two million, one hundred forty-nine thousand, five hundred twelve".