1057418386 has 4 divisors (see below), whose sum is σ = 1586127582. Its totient is φ = 528709192.

The previous prime is 1057418371. The next prime is 1057418429. The reversal of 1057418386 is 6838147501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6838147501 = 67 ⋅102061903.

It can be written as a sum of positive squares in only one way, i.e., 991305225 + 66113161 = 31485^2 + 8131^2 .

It is a super-2 number, since 2×1057418386² = 2236267286101689992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264354595 + ... + 264354598.

Almost surely, 2^1057418386 is an apocalyptic number.

1057418386 is a deficient number, since it is larger than the sum of its proper divisors (528709196).

1057418386 is an equidigital number, since it uses as much as digits as its factorization.

1057418386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528709195.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 1057418386 is about 32517.9702011057. The cubic root of 1057418386 is about 1018.7843989740.

The spelling of 1057418386 in words is "one billion, fifty-seven million, four hundred eighteen thousand, three hundred eighty-six".