2645492 has 6 divisors (see below), whose sum is σ = 4629618. Its totient is φ = 1322744.

The previous prime is 2645479. The next prime is 2645507. The reversal of 2645492 is 2945462.

It can be written as a sum of positive squares in only one way, i.e., 1860496 + 784996 = 1364^2 + 886^2 .

It is a d-powerful number, because it can be written as 2⁷ + 6 + 4⁴ + 5³ + 4⁷ + 9⁶ + 2²¹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330683 + ... + 330690.

It is an arithmetic number, because the mean of its divisors is an integer number (771603).

2^2645492 is an apocalyptic number.

It is an amenable number.

2645492 is a deficient number, since it is larger than the sum of its proper divisors (1984126).

2645492 is a wasteful number, since it uses less digits than its factorization.

2645492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661377 (or 661375 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 2645492 is about 1626.4968490594. The cubic root of 2645492 is about 138.3042367151.

The spelling of 2645492 in words is "two million, six hundred forty-five thousand, four hundred ninety-two".