3628905 has 64 divisors (see below), whose sum is σ = 7464960. Its totient is φ = 1465344.

The previous prime is 3628897. The next prime is 3628927. The reversal of 3628905 is 5098263.

It is a happy number.

It is not a de Polignac number, because 3628905 - 2³ = 3628897 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33862 + ... + 33968.

It is an arithmetic number, because the mean of its divisors is an integer number (116640).

Almost surely, 2^3628905 is an apocalyptic number.

3628905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3628905 is an abundant number, since it is smaller than the sum of its proper divisors (3836055).

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

3628905 is a wasteful number, since it uses less digits than its factorization.

3628905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3628905 is about 1904.9685036766. The cubic root of 3628905 is about 153.6709819360.

The spelling of 3628905 in words is "three million, six hundred twenty-eight thousand, nine hundred five".