84250387 has 6 divisors (see below), whose sum is σ = 91229892. Its totient is φ = 77769432.

The previous prime is 84250379. The next prime is 84250393. The reversal of 84250387 is 78305248.

It is not a de Polignac number, because 84250387 - 2³ = 84250379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84250087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 249093 + ... + 249430.

It is an arithmetic number, because the mean of its divisors is an integer number (15204982).

Almost surely, 2^84250387 is an apocalyptic number.

84250387 is a deficient number, since it is larger than the sum of its proper divisors (6979505).

84250387 is a wasteful number, since it uses less digits than its factorization.

84250387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498549 (or 498536 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 84250387 is about 9178.8009565520. The cubic root of 84250387 is about 438.3866310141.

The spelling of 84250387 in words is "eighty-four million, two hundred fifty thousand, three hundred eighty-seven".