387825434 has 8 divisors (see below), whose sum is σ = 591275028. Its totient is φ = 190733760.

The previous prime is 387825419. The next prime is 387825461. The reversal of 387825434 is 434528783.

It can be written as a sum of positive squares in 2 ways, for example, as 384042409 + 3783025 = 19597^2 + 1945^2 .

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

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, 1589327 + ... + 1589570.

Almost surely, 2^387825434 is an apocalyptic number.

387825434 is a deficient number, since it is larger than the sum of its proper divisors (203449594).

387825434 is a wasteful number, since it uses less digits than its factorization.

387825434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178960.

The product of its digits is 645120, while the sum is 44.

The square root of 387825434 is about 19693.2839821092. The cubic root of 387825434 is about 729.2539033775.

The spelling of 387825434 in words is "three hundred eighty-seven million, eight hundred twenty-five thousand, four hundred thirty-four".