3788890 has 32 divisors (see below), whose sum is σ = 7879680. Its totient is φ = 1284864.

The previous prime is 3788861. The next prime is 3788903. The reversal of 3788890 is 988873.

It is a happy number.

3788890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7671 + ... + 8149.

It is an arithmetic number, because the mean of its divisors is an integer number (246240).

Almost surely, 2^3788890 is an apocalyptic number.

3788890 is an abundant number, since it is smaller than the sum of its proper divisors (4090790).

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

3788890 is a wasteful number, since it uses less digits than its factorization.

3788890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 3788890 is about 1946.5071281657. The cubic root of 3788890 is about 155.8968472132.

The spelling of 3788890 in words is "three million, seven hundred eighty-eight thousand, eight hundred ninety".