3653420 has 24 divisors (see below), whose sum is σ = 7938000. Its totient is φ = 1410752.

The previous prime is 3653401. The next prime is 3653423. The reversal of 3653420 is 243563.

It is not an unprimeable number, because it can be changed into a prime (3653423) 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, 2570 + ... + 3729.

It is an arithmetic number, because the mean of its divisors is an integer number (330750).

Almost surely, 2^3653420 is an apocalyptic number.

It is an amenable number.

3653420 is an abundant number, since it is smaller than the sum of its proper divisors (4284580).

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

3653420 is a wasteful number, since it uses less digits than its factorization.

3653420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6337 (or 6335 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 3653420 is about 1911.3921627965. The cubic root of 3653420 is about 154.0162461075.

Adding to 3653420 its reverse (243563), we get a palindrome (3896983).

The spelling of 3653420 in words is "three million, six hundred fifty-three thousand, four hundred twenty".