3652020 has 48 divisors (see below), whose sum is σ = 11363520. Its totient is φ = 973728.

The previous prime is 3652007. The next prime is 3652031. The reversal of 3652020 is 202563.

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

It is a junction number, because it is equal to n+sod(n) for n = 3651984 and 3652002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2842 + ... + 3921.

It is an arithmetic number, because the mean of its divisors is an integer number (236740).

Almost surely, 2^3652020 is an apocalyptic number.

3652020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3652020 is an abundant number, since it is smaller than the sum of its proper divisors (7711500).

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

3652020 is a wasteful number, since it uses less digits than its factorization.

3652020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6781 (or 6773 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3652020 is about 1911.0259024932. The cubic root of 3652020 is about 153.9965704527.

Adding to 3652020 its reverse (202563), we get a palindrome (3854583).

The spelling of 3652020 in words is "three million, six hundred fifty-two thousand, twenty".