1400893834 has 4 divisors (see below), whose sum is σ = 2101340754. Its totient is φ = 700446916.

The previous prime is 1400893801. The next prime is 1400893859. The reversal of 1400893834 is 4383980041.

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

It can be written as a sum of positive squares in only one way, i.e., 1071580225 + 329313609 = 32735^2 + 18147^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350223457 + ... + 350223460.

Almost surely, 2^1400893834 is an apocalyptic number.

1400893834 is a deficient number, since it is larger than the sum of its proper divisors (700446920).

1400893834 is an equidigital number, since it uses as much as digits as its factorization.

1400893834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700446919.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1400893834 is about 37428.5163211154. The cubic root of 1400893834 is about 1118.9269681495.

The spelling of 1400893834 in words is "one billion, four hundred million, eight hundred ninety-three thousand, eight hundred thirty-four".