2149436 has 12 divisors (see below), whose sum is σ = 3773112. Its totient is φ = 1071408.

The previous prime is 2149421. The next prime is 2149453. The reversal of 2149436 is 6349412.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2149399 and 2149408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166 + ... + 2378.

It is an arithmetic number, because the mean of its divisors is an integer number (314426).

2^2149436 is an apocalyptic number.

It is an amenable number.

2149436 is a deficient number, since it is larger than the sum of its proper divisors (1623676).

2149436 is a wasteful number, since it uses less digits than its factorization.

2149436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 1658 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 2149436 is about 1466.0954948434. The cubic root of 2149436 is about 129.0550012841.

The spelling of 2149436 in words is "two million, one hundred forty-nine thousand, four hundred thirty-six".