1396041845 has 8 divisors (see below), whose sum is σ = 1827545760. Its totient is φ = 1015303120.

The previous prime is 1396041809. The next prime is 1396041847. The reversal of 1396041845 is 5481406931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1396041845 - 2²⁰ = 1394993269 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396041847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12691235 + ... + 12691344.

It is an arithmetic number, because the mean of its divisors is an integer number (228443220).

Almost surely, 2^1396041845 is an apocalyptic number.

It is an amenable number.

1396041845 is a deficient number, since it is larger than the sum of its proper divisors (431503915).

1396041845 is a wasteful number, since it uses less digits than its factorization.

1396041845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25382595.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1396041845 is about 37363.6433582166. The cubic root of 1396041845 is about 1117.6336745171.

The spelling of 1396041845 in words is "one billion, three hundred ninety-six million, forty-one thousand, eight hundred forty-five".