3893620 has 12 divisors (see below), whose sum is σ = 8176644. Its totient is φ = 1557440.

The previous prime is 3893609. The next prime is 3893633. The reversal of 3893620 is 263983.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 646416 + 3247204 = 804^2 + 1802^2 .

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 3 ways as a sum of consecutive naturals, for example, 97321 + ... + 97360.

It is an arithmetic number, because the mean of its divisors is an integer number (681387).

Almost surely, 2^3893620 is an apocalyptic number.

It is an amenable number.

3893620 is an abundant number, since it is smaller than the sum of its proper divisors (4283024).

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

3893620 is a wasteful number, since it uses less digits than its factorization.

3893620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194690 (or 194688 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3893620 is about 1973.2257853576. The cubic root of 3893620 is about 157.3202114084.

The spelling of 3893620 in words is "three million, eight hundred ninety-three thousand, six hundred twenty".