1034857691 has 8 divisors (see below), whose sum is σ = 1183828224. Its totient is φ = 886170600.

The previous prime is 1034857661. The next prime is 1034857727. The reversal of 1034857691 is 1967584301.

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

It is not a de Polignac number, because 1034857691 - 2¹⁸ = 1034595547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1034857661) 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, 62975 + ... + 77688.

It is an arithmetic number, because the mean of its divisors is an integer number (147978528).

Almost surely, 2^1034857691 is an apocalyptic number.

1034857691 is a deficient number, since it is larger than the sum of its proper divisors (148970533).

1034857691 is a wasteful number, since it uses less digits than its factorization.

1034857691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141721.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 1034857691 is about 32169.2040778133. The cubic root of 1034857691 is about 1011.4867790290.

The spelling of 1034857691 in words is "one billion, thirty-four million, eight hundred fifty-seven thousand, six hundred ninety-one".