83415406 has 4 divisors (see below), whose sum is σ = 125123112. Its totient is φ = 41707702.

The previous prime is 83415401. The next prime is 83415419. The reversal of 83415406 is 60451438.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60451438 = 2 ⋅30225719.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83415401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20853850 + ... + 20853853.

It is an arithmetic number, because the mean of its divisors is an integer number (31280778).

Almost surely, 2^83415406 is an apocalyptic number.

83415406 is a deficient number, since it is larger than the sum of its proper divisors (41707706).

83415406 is a wasteful number, since it uses less digits than its factorization.

83415406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41707705.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 83415406 is about 9133.2034905612. The cubic root of 83415406 is about 436.9335794755.

The spelling of 83415406 in words is "eighty-three million, four hundred fifteen thousand, four hundred six".