83040654 has 32 divisors (see below), whose sum is σ = 174556800. Its totient is φ = 26302752.

The previous prime is 83040653. The next prime is 83040673. The reversal of 83040654 is 45604038.

83040654 = T₄₅₂ + T₄₅₃ + ... + T₈₃₈.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83040653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5197 + ... + 13895.

It is an arithmetic number, because the mean of its divisors is an integer number (5454900).

Almost surely, 2^83040654 is an apocalyptic number.

83040654 is an abundant number, since it is smaller than the sum of its proper divisors (91516146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83040654 is a wasteful number, since it uses less digits than its factorization.

83040654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8784.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 83040654 is about 9112.6644841122. The cubic root of 83040654 is about 436.2782746457.

The spelling of 83040654 in words is "eighty-three million, forty thousand, six hundred fifty-four".