1057934949 has 8 divisors (see below), whose sum is σ = 1415786112. Its totient is φ = 702686880.

The previous prime is 1057934947. The next prime is 1057934957. The reversal of 1057934949 is 9494397501.

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

It is not a de Polignac number, because 1057934949 - 2¹ = 1057934947 is a prime.

It is a super-2 number, since 2×1057934949² = 2238452712631265202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057934947) 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, 649824 + ... + 651449.

It is an arithmetic number, because the mean of its divisors is an integer number (176973264).

Almost surely, 2^1057934949 is an apocalyptic number.

It is an amenable number.

1057934949 is a deficient number, since it is larger than the sum of its proper divisors (357851163).

1057934949 is a wasteful number, since it uses less digits than its factorization.

1057934949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301547.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 1057934949 is about 32525.9119626184. The cubic root of 1057934949 is about 1018.9502685609.

The spelling of 1057934949 in words is "one billion, fifty-seven million, nine hundred thirty-four thousand, nine hundred forty-nine".