84891610 has 8 divisors (see below), whose sum is σ = 152804916. Its totient is φ = 33956640.

The previous prime is 84891593. The next prime is 84891679. The reversal of 84891610 is 1619848.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 76230361 + 8661249 = 8731^2 + 2943^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 84891610.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4244571 + ... + 4244590.

Almost surely, 2^84891610 is an apocalyptic number.

84891610 is a deficient number, since it is larger than the sum of its proper divisors (67913306).

84891610 is a wasteful number, since it uses less digits than its factorization.

84891610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8489168.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 84891610 is about 9213.6643090575. The cubic root of 84891610 is about 439.4959965950.

The spelling of 84891610 in words is "eighty-four million, eight hundred ninety-one thousand, six hundred ten".