83953420 has 12 divisors (see below), whose sum is σ = 176302224. Its totient is φ = 33581360.

The previous prime is 83953417. The next prime is 83953423. The reversal of 83953420 is 2435938.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (83953417) and next prime (83953423).

It is not an unprimeable number, because it can be changed into a prime (83953423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2098816 + ... + 2098855.

It is an arithmetic number, because the mean of its divisors is an integer number (14691852).

Almost surely, 2^83953420 is an apocalyptic number.

It is an amenable number.

83953420 is an abundant number, since it is smaller than the sum of its proper divisors (92348804).

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

83953420 is a wasteful number, since it uses less digits than its factorization.

83953420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197680 (or 4197678 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 83953420 is about 9162.6098902005. The cubic root of 83953420 is about 437.8709474331.

The spelling of 83953420 in words is "eighty-three million, nine hundred fifty-three thousand, four hundred twenty".