83438654 has 16 divisors (see below), whose sum is σ = 134936928. Its totient is φ = 38466912.

The previous prime is 83438653. The next prime is 83438683. The reversal of 83438654 is 45683438.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83438653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40784 + ... + 42780.

It is an arithmetic number, because the mean of its divisors is an integer number (8433558).

Almost surely, 2^83438654 is an apocalyptic number.

83438654 is a deficient number, since it is larger than the sum of its proper divisors (51498274).

83438654 is a wasteful number, since it uses less digits than its factorization.

83438654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619.

The product of its digits is 276480, while the sum is 41.

The square root of 83438654 is about 9134.4761207198. The cubic root of 83438654 is about 436.9741670553.

The spelling of 83438654 in words is "eighty-three million, four hundred thirty-eight thousand, six hundred fifty-four".