1057949 has 6 divisors (see below), whose sum is σ = 1100190. Its totient is φ = 1016120.

The previous prime is 1057919. The next prime is 1057951. The reversal of 1057949 is 9497501.

It can be written as a sum of positive squares in only one way, i.e., 912025 + 145924 = 955^2 + 382^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1057949 is a prime.

It is a super-2 number, since 2×1057949² = 2238512173202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5444 + ... + 5634.

It is an arithmetic number, because the mean of its divisors is an integer number (183365).

2^1057949 is an apocalyptic number.

It is an amenable number.

1057949 is a deficient number, since it is larger than the sum of its proper divisors (42241).

1057949 is an frugal number, since it uses more digits than its factorization.

1057949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 1057949 is about 1028.5664781627. The cubic root of 1057949 is about 101.8954779615.

The spelling of 1057949 in words is "one million, fifty-seven thousand, nine hundred forty-nine".