9161481 has 12 divisors (see below), whose sum is σ = 14209872. Its totient is φ = 5235048.

The previous prime is 9161473. The next prime is 9161483. The reversal of 9161481 is 1841619.

It is not a de Polignac number, because 9161481 - 2³ = 9161473 is a prime.

It is a super-2 number, since 2×9161481² = 167865468226722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9161483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31015 + ... + 31308.

It is an arithmetic number, because the mean of its divisors is an integer number (1184156).

Almost surely, 2^9161481 is an apocalyptic number.

It is an amenable number.

9161481 is a deficient number, since it is larger than the sum of its proper divisors (5048391).

9161481 is a wasteful number, since it uses less digits than its factorization.

9161481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62340 (or 62333 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The square root of 9161481 is about 3026.7938482824. The cubic root of 9161481 is about 209.2450671076.

The spelling of 9161481 in words is "nine million, one hundred sixty-one thousand, four hundred eighty-one".