3632820 has 48 divisors (see below), whose sum is σ = 10257408. Its totient is φ = 960640.

The previous prime is 3632813. The next prime is 3632821. The reversal of 3632820 is 282363.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3632821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11302 + ... + 11618.

It is an arithmetic number, because the mean of its divisors is an integer number (213696).

Almost surely, 2^3632820 is an apocalyptic number.

3632820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3632820 is an abundant number, since it is smaller than the sum of its proper divisors (6624588).

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

3632820 is a wasteful number, since it uses less digits than its factorization.

3632820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3632820 is about 1905.9958027236. The cubic root of 3632820 is about 153.7262240980.

The spelling of 3632820 in words is "three million, six hundred thirty-two thousand, eight hundred twenty".