83490466 has 4 divisors (see below), whose sum is σ = 125235702. Its totient is φ = 41745232.

The previous prime is 83490457. The next prime is 83490479. The reversal of 83490466 is 66409438.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66409438 = 2 ⋅33204719.

It can be written as a sum of positive squares in only one way, i.e., 67322025 + 16168441 = 8205^2 + 4021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20872615 + ... + 20872618.

Almost surely, 2^83490466 is an apocalyptic number.

83490466 is a deficient number, since it is larger than the sum of its proper divisors (41745236).

83490466 is a wasteful number, since it uses less digits than its factorization.

83490466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41745235.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 83490466 is about 9137.3117490868. The cubic root of 83490466 is about 437.0645960503.

The spelling of 83490466 in words is "eighty-three million, four hundred ninety thousand, four hundred sixty-six".