387436122 has 40 divisors (see below), whose sum is σ = 873730836. Its totient is φ = 128314368.

The previous prime is 387436121. The next prime is 387436141. The reversal of 387436122 is 221634783.

It is a happy number.

387436122 is a `hidden beast` number, since 38 + 7 + 4 + 3 + 612 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 354154761 + 33281361 = 18819^2 + 5769^2 .

It is not an unprimeable number, because it can be changed into a prime (387436121) 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 19 ways as a sum of consecutive naturals, for example, 17818 + ... + 33050.

Almost surely, 2^387436122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387436122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436865418).

387436122 is an abundant number, since it is smaller than the sum of its proper divisors (486294714).

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

387436122 is a wasteful number, since it uses less digits than its factorization.

387436122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15404 (or 15395 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 387436122 is about 19683.3971153356. The cubic root of 387436122 is about 729.0098052840.

The spelling of 387436122 in words is "three hundred eighty-seven million, four hundred thirty-six thousand, one hundred twenty-two".