387290132 has 12 divisors (see below), whose sum is σ = 678836256. Its totient is φ = 193336920.

The previous prime is 387290131. The next prime is 387290177. The reversal of 387290132 is 231092783.

It is a junction number, because it is equal to n+sod(n) for n = 387290092 and 387290101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387290131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74198 + ... + 79245.

It is an arithmetic number, because the mean of its divisors is an integer number (56569688).

Almost surely, 2^387290132 is an apocalyptic number.

It is an amenable number.

387290132 is a deficient number, since it is larger than the sum of its proper divisors (291546124).

387290132 is a wasteful number, since it uses less digits than its factorization.

387290132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154078 (or 154076 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 387290132 is about 19679.6883105399. The cubic root of 387290132 is about 728.9182275967.

The spelling of 387290132 in words is "three hundred eighty-seven million, two hundred ninety thousand, one hundred thirty-two".