1957446 has 40 divisors (see below), whose sum is σ = 4504104. Its totient is φ = 635040.

The previous prime is 1957441. The next prime is 1957453. The reversal of 1957446 is 6447591.

It is a self number, because there is not a number n which added to its sum of digits gives 1957446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6826 + ... + 7106.

2^1957446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1957446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2252052).

1957446 is an abundant number, since it is smaller than the sum of its proper divisors (2546658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1957446 is a wasteful number, since it uses less digits than its factorization.

1957446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 329 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 1957446 is about 1399.0875598046. The cubic root of 1957446 is about 125.0921134376.

The spelling of 1957446 in words is "one million, nine hundred fifty-seven thousand, four hundred forty-six".