83420358 has 16 divisors (see below), whose sum is σ = 190675200. Its totient is φ = 23834376.

The previous prime is 83420353. The next prime is 83420371. The reversal of 83420358 is 85302438.

It is a super-2 number, since 2×83420358² = 13917912257696328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83420353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993058 + ... + 993141.

It is an arithmetic number, because the mean of its divisors is an integer number (11917200).

Almost surely, 2^83420358 is an apocalyptic number.

83420358 is an abundant number, since it is smaller than the sum of its proper divisors (107254842).

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

83420358 is a wasteful number, since it uses less digits than its factorization.

83420358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986211.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 83420358 is about 9133.4745852824. The cubic root of 83420358 is about 436.9422255693.

The spelling of 83420358 in words is "eighty-three million, four hundred twenty thousand, three hundred fifty-eight".