387820862 has 24 divisors (see below), whose sum is σ = 687194280. Its totient is φ = 162720480.

The previous prime is 387820817. The next prime is 387820907. The reversal of 387820862 is 268028783.

It is an interprime number because it is at equal distance from previous prime (387820817) and next prime (387820907).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48437 + ... + 55872.

It is an arithmetic number, because the mean of its divisors is an integer number (28633095).

Almost surely, 2^387820862 is an apocalyptic number.

387820862 is a deficient number, since it is larger than the sum of its proper divisors (299373418).

387820862 is a wasteful number, since it uses less digits than its factorization.

387820862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104348 (or 104335 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 387820862 is about 19693.1679015845. The cubic root of 387820862 is about 729.2510376879.

The spelling of 387820862 in words is "three hundred eighty-seven million, eight hundred twenty thousand, eight hundred sixty-two".