83411690 has 64 divisors (see below), whose sum is σ = 166212000. Its totient is φ = 30007296.

The previous prime is 83411687. The next prime is 83411693. The reversal of 83411690 is 9611438.

It is a happy number.

It is a Cunningham number, because it is equal to 9133²+1.

It is an interprime number because it is at equal distance from previous prime (83411687) and next prime (83411693).

It can be written as a sum of positive squares in 16 ways, for example, as 7912969 + 75498721 = 2813^2 + 8689^2 .

It is a super-2 number, since 2×83411690² = 13915020057312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83411693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559736 + ... + 559884.

Almost surely, 2^83411690 is an apocalyptic number.

83411690 is a deficient number, since it is larger than the sum of its proper divisors (82800310).

83411690 is a wasteful number, since it uses less digits than its factorization.

83411690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 83411690 is about 9133.0000547465. Note that the first 4 decimals coincide. The cubic root of 83411690 is about 436.9270911885.

The spelling of 83411690 in words is "eighty-three million, four hundred eleven thousand, six hundred ninety".