387923022 has 96 divisors (see below), whose sum is σ = 894890880. Its totient is φ = 121305600.

The previous prime is 387923009. The next prime is 387923027. The reversal of 387923022 is 220329783.

It is a super-2 number, since 2×387923022² = 300968541995224968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387923027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3840772 + ... + 3840872.

It is an arithmetic number, because the mean of its divisors is an integer number (9321780).

Almost surely, 2^387923022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387923022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447445440).

387923022 is an abundant number, since it is smaller than the sum of its proper divisors (506967858).

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

387923022 is a wasteful number, since it uses less digits than its factorization.

387923022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 387923022 is about 19695.7615237391. The cubic root of 387923022 is about 729.3150653121.

It can be divided in two parts, 38792 and 3022, that added together give a palindrome (41814).

The spelling of 387923022 in words is "three hundred eighty-seven million, nine hundred twenty-three thousand, twenty-two".