83466438 has 16 divisors (see below), whose sum is σ = 182108736. Its totient is φ = 25292840.

The previous prime is 83466431. The next prime is 83466473.

83466438 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 83466438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83466431) 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, 632256 + ... + 632387.

It is an arithmetic number, because the mean of its divisors is an integer number (11381796).

Almost surely, 2^83466438 is an apocalyptic number.

83466438 is an abundant number, since it is smaller than the sum of its proper divisors (98642298).

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

83466438 is a wasteful number, since it uses less digits than its factorization.

83466438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264659.

The product of its digits is 331776, while the sum is 42.

The square root of 83466438 is about 9135.9968257438. The cubic root of 83466438 is about 437.0226639343.

The spelling of 83466438 in words is "eighty-three million, four hundred sixty-six thousand, four hundred thirty-eight".