387228558 has 8 divisors (see below), whose sum is σ = 774457128. Its totient is φ = 129076184.

The previous prime is 387228557. The next prime is 387228571. The reversal of 387228558 is 855822783.

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

387228558 is an admirable number.

It is a super-2 number, since 2×387228558² = 299891912261518728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387228551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32269041 + ... + 32269052.

It is an arithmetic number, because the mean of its divisors is an integer number (96807141).

Almost surely, 2^387228558 is an apocalyptic number.

387228558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

387228558 is a wasteful number, since it uses less digits than its factorization.

387228558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64538098.

The product of its digits is 1075200, while the sum is 48.

The square root of 387228558 is about 19678.1238434969. The cubic root of 387228558 is about 728.8795961023.

The spelling of 387228558 in words is "three hundred eighty-seven million, two hundred twenty-eight thousand, five hundred fifty-eight".