2639392 has 24 divisors (see below), whose sum is σ = 5939136. Its totient is φ = 1131072.

The previous prime is 2639389. The next prime is 2639393. The reversal of 2639392 is 2939362.

It is a d-powerful number, because it can be written as 2⁹ + 6⁵ + 3⁵ + 9² + 3⁷ + 9⁶ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2639393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5668 + ... + 6115.

It is an arithmetic number, because the mean of its divisors is an integer number (247464).

2^2639392 is an apocalyptic number.

It is an amenable number.

2639392 is an abundant number, since it is smaller than the sum of its proper divisors (3299744).

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

2639392 is a wasteful number, since it uses less digits than its factorization.

2639392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11800 (or 11792 counting only the distinct ones).

The product of its digits is 17496, while the sum is 34.

The square root of 2639392 is about 1624.6205710873. The cubic root of 2639392 is about 138.1978538429.

It can be divided in two parts, 263939 and 2, that multiplied together give a triangular number (527878 = T₁₀₂₇).

The spelling of 2639392 in words is "two million, six hundred thirty-nine thousand, three hundred ninety-two".