84961826 has 4 divisors (see below), whose sum is σ = 127442742. Its totient is φ = 42480912.

The previous prime is 84961823. The next prime is 84961831. The reversal of 84961826 is 62816948.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83740801 + 1221025 = 9151^2 + 1105^2 .

It is not an unprimeable number, because it can be changed into a prime (84961823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21240455 + ... + 21240458.

Almost surely, 2^84961826 is an apocalyptic number.

84961826 is a deficient number, since it is larger than the sum of its proper divisors (42480916).

84961826 is a wasteful number, since it uses less digits than its factorization.

84961826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42480915.

The product of its digits is 165888, while the sum is 44.

The square root of 84961826 is about 9217.4739489732. The cubic root of 84961826 is about 439.6171359575.

The spelling of 84961826 in words is "eighty-four million, nine hundred sixty-one thousand, eight hundred twenty-six".