1400412317 has 4 divisors (see below), whose sum is σ = 1401553020. Its totient is φ = 1399271616.

The previous prime is 1400412313. The next prime is 1400412323. The reversal of 1400412317 is 7132140041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1312540441 + 87871876 = 36229^2 + 9374^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400412317 - 2² = 1400412313 is a prime.

It is a super-2 number, since 2×1400412317² = 3922309315210616978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400412292 and 1400412301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400412313) 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, 568508 + ... + 570965.

It is an arithmetic number, because the mean of its divisors is an integer number (350388255).

Almost surely, 2^1400412317 is an apocalyptic number.

It is an amenable number.

1400412317 is a deficient number, since it is larger than the sum of its proper divisors (1140703).

1400412317 is a wasteful number, since it uses less digits than its factorization.

1400412317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140702.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1400412317 is about 37422.0832797962. The cubic root of 1400412317 is about 1118.7987537943.

Adding to 1400412317 its reverse (7132140041), we get a palindrome (8532552358).

The spelling of 1400412317 in words is "one billion, four hundred million, four hundred twelve thousand, three hundred seventeen".