3622620 has 48 divisors (see below), whose sum is σ = 10231200. Its totient is φ = 957696.

The previous prime is 3622609. The next prime is 3622631. The reversal of 3622620 is 262263.

It is an interprime number because it is at equal distance from previous prime (3622609) and next prime (3622631).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10206 + ... + 10554.

It is an arithmetic number, because the mean of its divisors is an integer number (213150).

Almost surely, 2^3622620 is an apocalyptic number.

3622620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3622620 is an abundant number, since it is smaller than the sum of its proper divisors (6608580).

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

3622620 is a wasteful number, since it uses less digits than its factorization.

3622620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3622620 is about 1903.3181552226. The cubic root of 3622620 is about 153.5822150089.

Adding to 3622620 its reverse (262263), we get a palindrome (3884883).

The spelling of 3622620 in words is "three million, six hundred twenty-two thousand, six hundred twenty".