84329428 has 12 divisors (see below), whose sum is σ = 147682080. Its totient is φ = 42134552.

The previous prime is 84329417. The next prime is 84329449. The reversal of 84329428 is 82492348.

It is a super-2 number, since 2×84329428² = 14222904853614368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (12306840).

Almost surely, 2^84329428 is an apocalyptic number.

It is an amenable number.

84329428 is a deficient number, since it is larger than the sum of its proper divisors (63352652).

84329428 is a wasteful number, since it uses less digits than its factorization.

84329428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15086 (or 15084 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 84329428 is about 9183.1055749131. The cubic root of 84329428 is about 438.5236815709.

The spelling of 84329428 in words is "eighty-four million, three hundred twenty-nine thousand, four hundred twenty-eight".