1158894346 has 16 divisors (see below), whose sum is σ = 1806157800. Its totient is φ = 557016768.

The previous prime is 1158894337. The next prime is 1158894349. The reversal of 1158894346 is 6434988511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1052288721 + 106605625 = 32439^2 + 10325^2 .

It is a super-2 number, since 2×1158894346² = 2686072210381535432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1158894346.

It is not an unprimeable number, because it can be changed into a prime (1158894349) 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, 30345 + ... + 56908.

Almost surely, 2^1158894346 is an apocalyptic number.

1158894346 is a deficient number, since it is larger than the sum of its proper divisors (647263454).

1158894346 is a wasteful number, since it uses less digits than its factorization.

1158894346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87513.

The product of its digits is 829440, while the sum is 49.

The square root of 1158894346 is about 34042.5373026160. The cubic root of 1158894346 is about 1050.3836378935.

The spelling of 1158894346 in words is "one billion, one hundred fifty-eight million, eight hundred ninety-four thousand, three hundred forty-six".