387426288 has 20 divisors (see below), whose sum is σ = 1000851368. Its totient is φ = 129142080.

The previous prime is 387426239. The next prime is 387426289. The reversal of 387426288 is 882624783.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 8071381 = 387426288 / (3 + 8 + 7 + 4 + 2 + 6 + 2 + 8 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387426289) 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 3 ways as a sum of consecutive naturals, for example, 4035643 + ... + 4035738.

Almost surely, 2^387426288 is an apocalyptic number.

It is an amenable number.

387426288 is an abundant number, since it is smaller than the sum of its proper divisors (613425080).

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

387426288 is a wasteful number, since it uses less digits than its factorization.

387426288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8071392 (or 8071386 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The square root of 387426288 is about 19683.1473093101. The cubic root of 387426288 is about 729.0036372624.

The spelling of 387426288 in words is "three hundred eighty-seven million, four hundred twenty-six thousand, two hundred eighty-eight".