2139484 has 24 divisors (see below), whose sum is σ = 4027968. Its totient is φ = 990720.

The previous prime is 2139481. The next prime is 2139493. The reversal of 2139484 is 4849312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139481) 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, 4749 + ... + 5179.

It is an arithmetic number, because the mean of its divisors is an integer number (167832).

2^2139484 is an apocalyptic number.

It is an amenable number.

2139484 is a deficient number, since it is larger than the sum of its proper divisors (1888484).

2139484 is a wasteful number, since it uses less digits than its factorization.

2139484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 523 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 2139484 is about 1462.6975080310. The cubic root of 2139484 is about 128.8555159775.

The spelling of 2139484 in words is "two million, one hundred thirty-nine thousand, four hundred eighty-four".