84343388 has 6 divisors (see below), whose sum is σ = 147600936. Its totient is φ = 42171692.

The previous prime is 84343381. The next prime is 84343403. The reversal of 84343388 is 88334348.

It is a super-2 number, since 2×84343388² = 14227614198637088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84343381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10542920 + ... + 10542927.

It is an arithmetic number, because the mean of its divisors is an integer number (24600156).

Almost surely, 2^84343388 is an apocalyptic number.

It is an amenable number.

84343388 is a deficient number, since it is larger than the sum of its proper divisors (63257548).

84343388 is a wasteful number, since it uses less digits than its factorization.

84343388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21085851 (or 21085849 counting only the distinct ones).

The product of its digits is 221184, while the sum is 41.

The square root of 84343388 is about 9183.8656349056. The cubic root of 84343388 is about 438.5478781571.

The spelling of 84343388 in words is "eighty-four million, three hundred forty-three thousand, three hundred eighty-eight".