83625406 has 4 divisors (see below), whose sum is σ = 125438112. Its totient is φ = 41812702.

The previous prime is 83625389. The next prime is 83625427. The reversal of 83625406 is 60452638.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20906350 + ... + 20906353.

It is an arithmetic number, because the mean of its divisors is an integer number (31359528).

Almost surely, 2^83625406 is an apocalyptic number.

83625406 is a deficient number, since it is larger than the sum of its proper divisors (41812706).

83625406 is a wasteful number, since it uses less digits than its factorization.

83625406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41812705.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 83625406 is about 9144.6927777810. The cubic root of 83625406 is about 437.2999353017.

The spelling of 83625406 in words is "eighty-three million, six hundred twenty-five thousand, four hundred six".