1406859843 has 8 divisors (see below), whose sum is σ = 1926510928. Its totient is φ = 912557664.

The previous prime is 1406859829. The next prime is 1406859847. The reversal of 1406859843 is 3489586041.

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

It is not a de Polignac number, because 1406859843 - 2⁴ = 1406859827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1406859792 and 1406859801.

It is not an unprimeable number, because it can be changed into a prime (1406859847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6337096 + ... + 6337317.

It is an arithmetic number, because the mean of its divisors is an integer number (240813866).

Almost surely, 2^1406859843 is an apocalyptic number.

1406859843 is a deficient number, since it is larger than the sum of its proper divisors (519651085).

1406859843 is a wasteful number, since it uses less digits than its factorization.

1406859843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12674453.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 1406859843 is about 37508.1303586302. The cubic root of 1406859843 is about 1120.5131160228.

The spelling of 1406859843 in words is "one billion, four hundred six million, eight hundred fifty-nine thousand, eight hundred forty-three".