9381442 has 24 divisors (see below), whose sum is σ = 16939260. Its totient is φ = 3880800.

The previous prime is 9381431. The next prime is 9381503. The reversal of 9381442 is 2441839.

It can be written as a sum of positive squares in 2 ways, for example, as 9186961 + 194481 = 3031^2 + 441^2 .

It is a super-2 number, since 2×9381442² = 176022907998728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1192 + ... + 4492.

Almost surely, 2^9381442 is an apocalyptic number.

9381442 is a deficient number, since it is larger than the sum of its proper divisors (7557818).

9381442 is a wasteful number, since it uses less digits than its factorization.

9381442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346 (or 3339 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 9381442 is about 3062.9139720208. The cubic root of 9381442 is about 210.9064520960.

The spelling of 9381442 in words is "nine million, three hundred eighty-one thousand, four hundred forty-two".