84429700 has 18 divisors (see below), whose sum is σ = 183212666. Its totient is φ = 33771840.

The previous prime is 84429679. The next prime is 84429707. The reversal of 84429700 is 792448.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1218816 + 83210884 = 1104^2 + 9122^2 .

It is not an unprimeable number, because it can be changed into a prime (84429707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 422049 + ... + 422248.

Almost surely, 2^84429700 is an apocalyptic number.

It is an amenable number.

84429700 is an abundant number, since it is smaller than the sum of its proper divisors (98782966).

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

84429700 is a wasteful number, since it uses less digits than its factorization.

84429700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844311 (or 844304 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 84429700 is about 9188.5635438843. The cubic root of 84429700 is about 438.6974217506.

The spelling of 84429700 in words is "eighty-four million, four hundred twenty-nine thousand, seven hundred".