1076857949 has 8 divisors (see below), whose sum is σ = 1102509048. Its totient is φ = 1051464960.

The previous prime is 1076857933. The next prime is 1076857961. The reversal of 1076857949 is 9497586701.

It can be written as a sum of positive squares in 4 ways, for example, as 88698724 + 988159225 = 9418^2 + 31435^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1076857949 - 2⁴ = 1076857933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1076857894 and 1076857903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1076857049) 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, 56072 + ... + 72785.

It is an arithmetic number, because the mean of its divisors is an integer number (137813631).

Almost surely, 2^1076857949 is an apocalyptic number.

It is an amenable number.

1076857949 is a deficient number, since it is larger than the sum of its proper divisors (25651099).

1076857949 is a wasteful number, since it uses less digits than its factorization.

1076857949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129055.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The square root of 1076857949 is about 32815.5138463502. The cubic root of 1076857949 is about 1024.9896327327.

The spelling of 1076857949 in words is "one billion, seventy-six million, eight hundred fifty-seven thousand, nine hundred forty-nine".