4092540 has 24 divisors (see below), whose sum is σ = 11459280. Its totient is φ = 1091328.

The previous prime is 4092523. The next prime is 4092547. The reversal of 4092540 is 452904.

It is a self number, because there is not a number n which added to its sum of digits gives 4092540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4092547) 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, 34045 + ... + 34164.

It is an arithmetic number, because the mean of its divisors is an integer number (477470).

Almost surely, 2^4092540 is an apocalyptic number.

It is an amenable number.

4092540 is an abundant number, since it is smaller than the sum of its proper divisors (7366740).

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

4092540 is a wasteful number, since it uses less digits than its factorization.

4092540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68221 (or 68219 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4092540 is about 2023.0027187327. The cubic root of 4092540 is about 159.9549352251.

The spelling of 4092540 in words is "four million, ninety-two thousand, five hundred forty".