1057098538 has 16 divisors (see below), whose sum is σ = 1655280000. Its totient is φ = 505357776.

The previous prime is 1057098533. The next prime is 1057098563. The reversal of 1057098538 is 8358907501.

It is a super-2 number, since 2×1057098538² = 2234914638083474888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (1057098533) 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 7 ways as a sum of consecutive naturals, for example, 208963 + ... + 213961.

It is an arithmetic number, because the mean of its divisors is an integer number (103455000).

Almost surely, 2^1057098538 is an apocalyptic number.

1057098538 is a deficient number, since it is larger than the sum of its proper divisors (598181462).

1057098538 is a wasteful number, since it uses less digits than its factorization.

1057098538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9621.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 1057098538 is about 32513.0518100039. The cubic root of 1057098538 is about 1018.6816679524.

The spelling of 1057098538 in words is "one billion, fifty-seven million, ninety-eight thousand, five hundred thirty-eight".