387286480 has 40 divisors (see below), whose sum is σ = 1029076992. Its totient is φ = 132783744.

The previous prime is 387286457. The next prime is 387286507. The reversal of 387286480 is 84682783.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 387286480.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345232 + ... + 346351.

Almost surely, 2^387286480 is an apocalyptic number.

It is an amenable number.

387286480 is an abundant number, since it is smaller than the sum of its proper divisors (641790512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387286480 is a wasteful number, since it uses less digits than its factorization.

387286480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691603 (or 691597 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 387286480 is about 19679.5955242988. The cubic root of 387286480 is about 728.9159364481.

The spelling of 387286480 in words is "three hundred eighty-seven million, two hundred eighty-six thousand, four hundred eighty".