84626945 has 16 divisors (see below), whose sum is σ = 111222720. Its totient is φ = 61431744.

The previous prime is 84626923. The next prime is 84626951. The reversal of 84626945 is 54962648.

It is not a de Polignac number, because 84626945 - 2¹⁰ = 84625921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84626896 and 84626905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7199 + ... + 14868.

It is an arithmetic number, because the mean of its divisors is an integer number (6951420).

Almost surely, 2^84626945 is an apocalyptic number.

It is an amenable number.

84626945 is a deficient number, since it is larger than the sum of its proper divisors (26595775).

84626945 is a wasteful number, since it uses less digits than its factorization.

84626945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22144.

The product of its digits is 414720, while the sum is 44.

The square root of 84626945 is about 9199.2904617693. The cubic root of 84626945 is about 439.0387849427.

The spelling of 84626945 in words is "eighty-four million, six hundred twenty-six thousand, nine hundred forty-five".