3042540 has 36 divisors (see below), whose sum is σ = 9229584. Its totient is φ = 811296.

The previous prime is 3042493. The next prime is 3042553. The reversal of 3042540 is 452403.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8272 + ... + 8631.

Almost surely, 2^3042540 is an apocalyptic number.

3042540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3042540 is an abundant number, since it is smaller than the sum of its proper divisors (6187044).

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

3042540 is a wasteful number, since it uses less digits than its factorization.

3042540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16918 (or 16913 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3042540 is about 1744.2878202865. The cubic root of 3042540 is about 144.9034632895.

Adding to 3042540 its reverse (452403), we get a palindrome (3494943).

The spelling of 3042540 in words is "three million, forty-two thousand, five hundred forty".