2149524 has 48 divisors (see below), whose sum is σ = 6005440. Its totient is φ = 660960.

The previous prime is 2149517. The next prime is 2149559. The reversal of 2149524 is 4259412.

It is a Smith number, since the sum of its digits (27) 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 (27).

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, 639 + ... + 2169.

2^2149524 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 2149524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3002720).

2149524 is an abundant number, since it is smaller than the sum of its proper divisors (3855916).

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

2149524 is a wasteful number, since it uses less digits than its factorization.

2149524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 1549 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2149524 is about 1466.1255062238. The cubic root of 2149524 is about 129.0567624724.

The spelling of 2149524 in words is "two million, one hundred forty-nine thousand, five hundred twenty-four".