3628740 has 48 divisors (see below), whose sum is σ = 10245312. Its totient is φ = 959616.

The previous prime is 3628711. The next prime is 3628747. The reversal of 3628740 is 478263.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3628698 and 3628707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3628747) by changing a digit.

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, 11667 + ... + 11973.

It is an arithmetic number, because the mean of its divisors is an integer number (213444).

Almost surely, 2^3628740 is an apocalyptic number.

3628740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3628740 is an abundant number, since it is smaller than the sum of its proper divisors (6616572).

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

3628740 is a wasteful number, since it uses less digits than its factorization.

3628740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 514 counting only the distinct ones).

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

The square root of 3628740 is about 1904.9251953817. The cubic root of 3628740 is about 153.6686528499.

The spelling of 3628740 in words is "three million, six hundred twenty-eight thousand, seven hundred forty".