1957085 has 8 divisors (see below), whose sum is σ = 2529240. Its totient is φ = 1445184.

The previous prime is 1957079. The next prime is 1957097. The reversal of 1957085 is 5807591.

It can be written as a sum of positive squares in 4 ways, for example, as 5476 + 1951609 = 74^2 + 1397^2 .

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

It is not a de Polignac number, because 1957085 - 2⁴ = 1957069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14990 + ... + 15119.

It is an arithmetic number, because the mean of its divisors is an integer number (316155).

2^1957085 is an apocalyptic number.

It is an amenable number.

1957085 is a deficient number, since it is larger than the sum of its proper divisors (572155).

1957085 is a wasteful number, since it uses less digits than its factorization.

1957085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30127.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 1957085 is about 1398.9585412013. The cubic root of 1957085 is about 125.0844229693.

The spelling of 1957085 in words is "one million, nine hundred fifty-seven thousand, eighty-five".