3540540 has 24 divisors (see below), whose sum is σ = 9913680. Its totient is φ = 944128.

The previous prime is 3540533. The next prime is 3540553. The reversal of 3540540 is 450453.

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, 29445 + ... + 29564.

It is an arithmetic number, because the mean of its divisors is an integer number (413070).

Almost surely, 2^3540540 is an apocalyptic number.

3540540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3540540 is an abundant number, since it is smaller than the sum of its proper divisors (6373140).

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

3540540 is a wasteful number, since it uses less digits than its factorization.

3540540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59021 (or 59019 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 3540540 is about 1881.6322701314. The cubic root of 3540540 is about 152.4134060031.

Adding to 3540540 its reverse (450453), we get a palindrome (3990993).

The spelling of 3540540 in words is "three million, five hundred forty thousand, five hundred forty".