440063983 has 2 divisors, whose sum is σ = 440063984. Its totient is φ = 440063982.

The previous prime is 440063863. The next prime is 440064011. The reversal of 440063983 is 389360044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440063983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440063083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220031991 + 220031992.

It is an arithmetic number, because the mean of its divisors is an integer number (220031992).

Almost surely, 2^440063983 is an apocalyptic number.

440063983 is a deficient number, since it is larger than the sum of its proper divisors (1).

440063983 is an equidigital number, since it uses as much as digits as its factorization.

440063983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 440063983 is about 20977.7020428835. The cubic root of 440063983 is about 760.6273576847.

The spelling of 440063983 in words is "four hundred forty million, sixty-three thousand, nine hundred eighty-three".