83434628 has 6 divisors (see below), whose sum is σ = 146010606. Its totient is φ = 41717312.

The previous prime is 83434627. The next prime is 83434633. The reversal of 83434628 is 82643438.

It can be written as a sum of positive squares in only one way, i.e., 83320384 + 114244 = 9128^2 + 338^2 .

It is a super-2 number, since 2×83434628² = 13922674298996768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83434591 and 83434600.

It is not an unprimeable number, because it can be changed into a prime (83434627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10429325 + ... + 10429332.

It is an arithmetic number, because the mean of its divisors is an integer number (24335101).

Almost surely, 2^83434628 is an apocalyptic number.

It is an amenable number.

83434628 is a deficient number, since it is larger than the sum of its proper divisors (62575978).

83434628 is a wasteful number, since it uses less digits than its factorization.

83434628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20858661 (or 20858659 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 83434628 is about 9134.2557441753. The cubic root of 83434628 is about 436.9671387928.

The spelling of 83434628 in words is "eighty-three million, four hundred thirty-four thousand, six hundred twenty-eight".