84663942 has 48 divisors (see below), whose sum is σ = 187236336. Its totient is φ = 25502400.

The previous prime is 84663941. The next prime is 84663959. The reversal of 84663942 is 24936648.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84663894 and 84663903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84663941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200892 + ... + 201312.

It is an arithmetic number, because the mean of its divisors is an integer number (3900757).

Almost surely, 2^84663942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84663942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93618168).

84663942 is an abundant number, since it is smaller than the sum of its proper divisors (102572394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84663942 is a wasteful number, since it uses less digits than its factorization.

84663942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 714 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 84663942 is about 9201.3011036483. The cubic root of 84663942 is about 439.1027549208.

The spelling of 84663942 in words is "eighty-four million, six hundred sixty-three thousand, nine hundred forty-two".