84945634 has 16 divisors (see below), whose sum is σ = 135209088. Its totient is φ = 39886912.

The previous prime is 84945631. The next prime is 84945661. The reversal of 84945634 is 43654948.

It is a happy number.

It is a super-3 number, since 3×84945634³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (84945631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14619 + ... + 19585.

It is an arithmetic number, because the mean of its divisors is an integer number (8450568).

Almost surely, 2^84945634 is an apocalyptic number.

84945634 is a deficient number, since it is larger than the sum of its proper divisors (50263454).

84945634 is a wasteful number, since it uses less digits than its factorization.

84945634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489.

The product of its digits is 414720, while the sum is 43.

The square root of 84945634 is about 9216.5955753738. The cubic root of 84945634 is about 439.5892068146.

The spelling of 84945634 in words is "eighty-four million, nine hundred forty-five thousand, six hundred thirty-four".