440992993 has 12 divisors (see below), whose sum is σ = 524924400. Its totient is φ = 369201672.

The previous prime is 440992987. The next prime is 440992997. The reversal of 440992993 is 399299044.

It is not a de Polignac number, because 440992993 - 2¹³ = 440984801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (440992997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102543 + ... + 106756.

It is an arithmetic number, because the mean of its divisors is an integer number (43743700).

Almost surely, 2^440992993 is an apocalyptic number.

440992993 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

440992993 is a deficient number, since it is larger than the sum of its proper divisors (83931407).

440992993 is a wasteful number, since it uses less digits than its factorization.

440992993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209356 (or 209349 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 440992993 is about 20999.8331660040. The cubic root of 440992993 is about 761.1622297186.

The spelling of 440992993 in words is "four hundred forty million, nine hundred ninety-two thousand, nine hundred ninety-three".