387252146 has 16 divisors (see below), whose sum is σ = 619544376. Its totient is φ = 180903936.

The previous prime is 387252139. The next prime is 387252149. The reversal of 387252146 is 641252783.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 287472025 + 99780121 = 16955^2 + 9989^2 .

It is not an unprimeable number, because it can be changed into a prime (387252149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36911 + ... + 46226.

Almost surely, 2^387252146 is an apocalyptic number.

387252146 is a deficient number, since it is larger than the sum of its proper divisors (232292230).

387252146 is a wasteful number, since it uses less digits than its factorization.

387252146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83293.

The product of its digits is 80640, while the sum is 38.

The square root of 387252146 is about 19678.7231801253. The cubic root of 387252146 is about 728.8943956847.

The spelling of 387252146 in words is "three hundred eighty-seven million, two hundred fifty-two thousand, one hundred forty-six".