45968399 has 4 divisors (see below), whose sum is σ = 45981960. Its totient is φ = 45954840.

The previous prime is 45968383. The next prime is 45968401. The reversal of 45968399 is 99386954.

It is a Cunningham number, because it is equal to 6780²-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45968399 - 2⁴ = 45968383 is a prime.

It is a super-2 number, since 2×45968399² = 4226187413246402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45968399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45968309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3389 + ... + 10169.

It is an arithmetic number, because the mean of its divisors is an integer number (11495490).

Almost surely, 2^45968399 is an apocalyptic number.

45968399 is a deficient number, since it is larger than the sum of its proper divisors (13561).

45968399 is an equidigital number, since it uses as much as digits as its factorization.

45968399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13560.

The product of its digits is 2099520, while the sum is 53.

The square root of 45968399 is about 6779.9999262537. Note that the first 4 decimals coincide. The cubic root of 45968399 is about 358.2227191059. Note that the first 3 decimals are identical.

The spelling of 45968399 in words is "forty-five million, nine hundred sixty-eight thousand, three hundred ninety-nine".