2639372 has 6 divisors (see below), whose sum is σ = 4618908. Its totient is φ = 1319684.

The previous prime is 2639353. The next prime is 2639389. The reversal of 2639372 is 2739362.

It is a happy number.

It is a d-powerful number, because it can be written as 2⁹ + 6⁴ + 3⁸ + 9 + 3¹² + 7⁴ + 2²¹ .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 329918 + ... + 329925.

It is an arithmetic number, because the mean of its divisors is an integer number (769818).

2^2639372 is an apocalyptic number.

It is an amenable number.

2639372 is a deficient number, since it is larger than the sum of its proper divisors (1979536).

2639372 is a wasteful number, since it uses less digits than its factorization.

2639372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659847 (or 659845 counting only the distinct ones).

The product of its digits is 13608, while the sum is 32.

The square root of 2639372 is about 1624.6144157923. The cubic root of 2639372 is about 138.1975047771.

The spelling of 2639372 in words is "two million, six hundred thirty-nine thousand, three hundred seventy-two".