2623540 has 24 divisors (see below), whose sum is σ = 5628672. Its totient is φ = 1026720.

The previous prime is 2623531. The next prime is 2623567. The reversal of 2623540 is 453262.

2623540 = T₃₄₂ + T₃₄₃ + ... + T₃₈₁.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456 + ... + 2335.

It is an arithmetic number, because the mean of its divisors is an integer number (234528).

2^2623540 is an apocalyptic number.

2623540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2623540 is an abundant number, since it is smaller than the sum of its proper divisors (3005132).

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

2623540 is a wasteful number, since it uses less digits than its factorization.

2623540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847 (or 2845 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2623540 is about 1619.7345461525. The cubic root of 2623540 is about 137.9206292869.

The spelling of 2623540 in words is "two million, six hundred twenty-three thousand, five hundred forty".