387042867 has 28 divisors (see below), whose sum is σ = 582971224. Its totient is φ = 256841280.

The previous prime is 387042841. The next prime is 387042881. The reversal of 387042867 is 768240783.

It is a happy number.

It is not a de Polignac number, because 387042867 - 2⁸ = 387042611 is a prime.

It is a super-3 number, since 3×387042867³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387042067) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 174588 + ... + 176790.

Almost surely, 2^387042867 is an apocalyptic number.

387042867 is a deficient number, since it is larger than the sum of its proper divisors (195928357).

387042867 is an equidigital number, since it uses as much as digits as its factorization.

387042867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 387042867 is about 19673.4050687724. The cubic root of 387042867 is about 728.7630688656.

The spelling of 387042867 in words is "three hundred eighty-seven million, forty-two thousand, eight hundred sixty-seven".