3693540 has 24 divisors (see below), whose sum is σ = 10342080. Its totient is φ = 984928.

The previous prime is 3693511. The next prime is 3693563. The reversal of 3693540 is 453963.

It is a happy number.

It is a super-4 number, since 4×3693540⁴ (a number of 27 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3693498 and 3693507.

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, 30720 + ... + 30839.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 2^3693540 is an apocalyptic number.

3693540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3693540 is an abundant number, since it is smaller than the sum of its proper divisors (6648540).

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

3693540 is a wasteful number, since it uses less digits than its factorization.

3693540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61571 (or 61569 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3693540 is about 1921.8584755387. The cubic root of 3693540 is about 154.5779709289.

The spelling of 3693540 in words is "three million, six hundred ninety-three thousand, five hundred forty".