84256630 has 8 divisors (see below), whose sum is σ = 151661952. Its totient is φ = 33702648.

The previous prime is 84256619. The next prime is 84256637. The reversal of 84256630 is 3665248.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84256637) 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, 4212822 + ... + 4212841.

It is an arithmetic number, because the mean of its divisors is an integer number (18957744).

Almost surely, 2^84256630 is an apocalyptic number.

84256630 is a deficient number, since it is larger than the sum of its proper divisors (67405322).

84256630 is a wasteful number, since it uses less digits than its factorization.

84256630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425670.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 84256630 is about 9179.1410273511. The cubic root of 84256630 is about 438.3974589768.

The spelling of 84256630 in words is "eighty-four million, two hundred fifty-six thousand, six hundred thirty".