3540624 has 40 divisors (see below), whose sum is σ = 9686880. Its totient is φ = 1110528.

The previous prime is 3540619. The next prime is 3540661. The reversal of 3540624 is 4260453.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 3540594 and 3540603.

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, 1354 + ... + 2985.

It is an arithmetic number, because the mean of its divisors is an integer number (242172).

Almost surely, 2^3540624 is an apocalyptic number.

3540624 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3540624 is an abundant number, since it is smaller than the sum of its proper divisors (6146256).

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

3540624 is a wasteful number, since it uses less digits than its factorization.

3540624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367 (or 4361 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 3540624 is about 1881.6545910448. The cubic root of 3540624 is about 152.4146113394.

The spelling of 3540624 in words is "three million, five hundred forty thousand, six hundred twenty-four".