387033684 has 12 divisors (see below), whose sum is σ = 903078624. Its totient is φ = 129011224.

The previous prime is 387033683. The next prime is 387033721. The reversal of 387033684 is 486330783.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×387033684² = 299590145101223712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387033683) 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 3 ways as a sum of consecutive naturals, for example, 16126392 + ... + 16126415.

It is an arithmetic number, because the mean of its divisors is an integer number (75256552).

Almost surely, 2^387033684 is an apocalyptic number.

It is an amenable number.

387033684 is an abundant number, since it is smaller than the sum of its proper divisors (516044940).

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

387033684 is a wasteful number, since it uses less digits than its factorization.

387033684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32252814 (or 32252812 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 387033684 is about 19673.1716812516. The cubic root of 387033684 is about 728.7573052627.

The spelling of 387033684 in words is "three hundred eighty-seven million, thirty-three thousand, six hundred eighty-four".