387442368 has 42 divisors (see below), whose sum is σ = 1110535244. Its totient is φ = 129147264.

The previous prime is 387442339. The next prime is 387442369. The reversal of 387442368 is 863244783.

It is a super-2 number, since 2×387442368² = 300223177042894848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (387442369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 335746 + ... + 336897.

Almost surely, 2^387442368 is an apocalyptic number.

It is an amenable number.

387442368 is an abundant number, since it is smaller than the sum of its proper divisors (723092876).

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

387442368 is a wasteful number, since it uses less digits than its factorization.

387442368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672661 (or 672648 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 387442368 is about 19683.5557763327. Note that the first 3 decimals coincide. The cubic root of 387442368 is about 729.0137228078.

The spelling of 387442368 in words is "three hundred eighty-seven million, four hundred forty-two thousand, three hundred sixty-eight".