387247874 has 8 divisors (see below), whose sum is σ = 625554300. Its totient is φ = 178729776.

The previous prime is 387247867. The next prime is 387247901. The reversal of 387247874 is 478742783.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 378574849 + 8673025 = 19457^2 + 2945^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7447049 + ... + 7447100.

Almost surely, 2^387247874 is an apocalyptic number.

387247874 is a deficient number, since it is larger than the sum of its proper divisors (238306426).

387247874 is a wasteful number, since it uses less digits than its factorization.

387247874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14894164.

The product of its digits is 2107392, while the sum is 50.

The square root of 387247874 is about 19678.6146361984. The cubic root of 387247874 is about 728.8917153911.

The spelling of 387247874 in words is "three hundred eighty-seven million, two hundred forty-seven thousand, eight hundred seventy-four".