387022427 has 8 divisors (see below), whose sum is σ = 424897392. Its totient is φ = 349596000.

The previous prime is 387022423. The next prime is 387022451. The reversal of 387022427 is 724220783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 387022427 - 2² = 387022423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387022423) 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 7 ways as a sum of consecutive naturals, for example, 110324 + ... + 113777.

It is an arithmetic number, because the mean of its divisors is an integer number (53112174).

Almost surely, 2^387022427 is an apocalyptic number.

387022427 is a deficient number, since it is larger than the sum of its proper divisors (37874965).

387022427 is a wasteful number, since it uses less digits than its factorization.

387022427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224269.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 387022427 is about 19672.8855788875. The cubic root of 387022427 is about 728.7502398135.

The spelling of 387022427 in words is "three hundred eighty-seven million, twenty-two thousand, four hundred twenty-seven".