84329390 has 16 divisors (see below), whose sum is σ = 157027680. Its totient is φ = 32568480.

The previous prime is 84329363. The next prime is 84329417. The reversal of 84329390 is 9392348.

It is an interprime number because it is at equal distance from previous prime (84329363) and next prime (84329417).

It is a super-2 number, since 2×84329390² = 14222892035544200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145106 + ... + 145685.

It is an arithmetic number, because the mean of its divisors is an integer number (9814230).

Almost surely, 2^84329390 is an apocalyptic number.

84329390 is a deficient number, since it is larger than the sum of its proper divisors (72698290).

84329390 is a wasteful number, since it uses less digits than its factorization.

84329390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290827.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 84329390 is about 9183.1035058960. The cubic root of 84329390 is about 438.5236157027.

The spelling of 84329390 in words is "eighty-four million, three hundred twenty-nine thousand, three hundred ninety".