1046434857 has 8 divisors (see below), whose sum is σ = 1502573184. Its totient is φ = 643959888.

The previous prime is 1046434843. The next prime is 1046434871. The reversal of 1046434857 is 7584346401.

It is an interprime number because it is at equal distance from previous prime (1046434843) and next prime (1046434871).

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

It is not a de Polignac number, because 1046434857 - 2¹⁴ = 1046418473 is a prime.

It is a super-2 number, since 2×1046434857² = 2190051819889220898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1046434817) 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, 13415793 + ... + 13415870.

It is an arithmetic number, because the mean of its divisors is an integer number (187821648).

Almost surely, 2^1046434857 is an apocalyptic number.

It is an amenable number.

1046434857 is a deficient number, since it is larger than the sum of its proper divisors (456138327).

1046434857 is a wasteful number, since it uses less digits than its factorization.

1046434857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26831679.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 1046434857 is about 32348.6453657645. The cubic root of 1046434857 is about 1015.2447037139.

The spelling of 1046434857 in words is "one billion, forty-six million, four hundred thirty-four thousand, eight hundred fifty-seven".