387825042 has 16 divisors (see below), whose sum is σ = 846163872. Its totient is φ = 117522720.

The previous prime is 387825023. The next prime is 387825071. The reversal of 387825042 is 240528783.

It is an unprimeable number.

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, 2938003 + ... + 2938134.

It is an arithmetic number, because the mean of its divisors is an integer number (52885242).

Almost surely, 2^387825042 is an apocalyptic number.

387825042 is an abundant number, since it is smaller than the sum of its proper divisors (458338830).

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

387825042 is a wasteful number, since it uses less digits than its factorization.

387825042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876153.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 387825042 is about 19693.2740294751. The cubic root of 387825042 is about 729.2536576762.

It can be divided in two parts, 3878 and 25042, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 387825042 in words is "three hundred eighty-seven million, eight hundred twenty-five thousand, forty-two".