84669746 has 24 divisors (see below), whose sum is σ = 148105836. Its totient is φ = 36197280.

The previous prime is 84669743. The next prime is 84669787. The reversal of 84669746 is 64796648.

It can be written as a sum of positive squares in 2 ways, for example, as 80910025 + 3759721 = 8995^2 + 1939^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84669694 and 84669703.

It is not an unprimeable number, because it can be changed into a prime (84669743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52220 + ... + 53816.

Almost surely, 2^84669746 is an apocalyptic number.

84669746 is a deficient number, since it is larger than the sum of its proper divisors (63436090).

84669746 is a wasteful number, since it uses less digits than its factorization.

84669746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154 (or 2147 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 84669746 is about 9201.6164884220. The cubic root of 84669746 is about 439.1127886852.

The spelling of 84669746 in words is "eighty-four million, six hundred sixty-nine thousand, seven hundred forty-six".