387883668 has 24 divisors (see below), whose sum is σ = 924319872. Its totient is φ = 126543424.

The previous prime is 387883663. The next prime is 387883673. The reversal of 387883668 is 866388783.

It is an interprime number because it is at equal distance from previous prime (387883663) and next prime (387883673).

It is a super-2 number, since 2×387883668² = 300907479802268448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387883663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343305 + ... + 344432.

It is an arithmetic number, because the mean of its divisors is an integer number (38513328).

Almost surely, 2^387883668 is an apocalyptic number.

It is an amenable number.

387883668 is an abundant number, since it is smaller than the sum of its proper divisors (536436204).

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

387883668 is a wasteful number, since it uses less digits than its factorization.

387883668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687791 (or 687789 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The square root of 387883668 is about 19694.7624509665. The cubic root of 387883668 is about 729.2904019691.

The spelling of 387883668 in words is "three hundred eighty-seven million, eight hundred eighty-three thousand, six hundred sixty-eight".