387274522 has 4 divisors (see below), whose sum is σ = 580911786. Its totient is φ = 193637260.

The previous prime is 387274519. The next prime is 387274579. The reversal of 387274522 is 225472783.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 381069441 + 6205081 = 19521^2 + 2491^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96818629 + ... + 96818632.

Almost surely, 2^387274522 is an apocalyptic number.

387274522 is a deficient number, since it is larger than the sum of its proper divisors (193637264).

387274522 is a wasteful number, since it uses less digits than its factorization.

387274522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193637263.

The product of its digits is 188160, while the sum is 40.

The square root of 387274522 is about 19679.2917047337. The cubic root of 387274522 is about 728.9084342786.

The spelling of 387274522 in words is "three hundred eighty-seven million, two hundred seventy-four thousand, five hundred twenty-two".