1396831454 has 8 divisors (see below), whose sum is σ = 2095460280. Its totient is φ = 698344696.

The previous prime is 1396831439. The next prime is 1396831489. The reversal of 1396831454 is 4541386931.

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

It is a super-2 number, since 2×1396831454² = 3902276221767508232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6044 + ... + 53199.

It is an arithmetic number, because the mean of its divisors is an integer number (261932535).

Almost surely, 2^1396831454 is an apocalyptic number.

1396831454 is a deficient number, since it is larger than the sum of its proper divisors (698628826).

1396831454 is a wasteful number, since it uses less digits than its factorization.

1396831454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71034.

The product of its digits is 311040, while the sum is 44.

The square root of 1396831454 is about 37374.2084063328. The cubic root of 1396831454 is about 1117.8443480683.

The spelling of 1396831454 in words is "one billion, three hundred ninety-six million, eight hundred thirty-one thousand, four hundred fifty-four".