3728622 has 32 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 1158080.

The previous prime is 3728611. The next prime is 3728633. The reversal of 3728622 is 2268273.

It is an interprime number because it is at equal distance from previous prime (3728611) and next prime (3728633).

It is a d-powerful number, because it can be written as 3¹³ + 7⁷ + 2¹⁸ + 8⁶ + 6² + 2¹⁸ + 2¹⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 3728622.

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, 5329 + ... + 5987.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

Almost surely, 2^3728622 is an apocalyptic number.

3728622 is an abundant number, since it is smaller than the sum of its proper divisors (4254738).

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

3728622 is a wasteful number, since it uses less digits than its factorization.

3728622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its digits is 8064, while the sum is 30.

The square root of 3728622 is about 1930.9640079504. The cubic root of 3728622 is about 155.0658339834.

The spelling of 3728622 in words is "three million, seven hundred twenty-eight thousand, six hundred twenty-two".