9150981 has 16 divisors (see below), whose sum is σ = 14765184. Its totient is φ = 4921344.

The previous prime is 9150943. The next prime is 9150991. The reversal of 9150981 is 1890519.

It is not a de Polignac number, because 9150981 - 2⁶ = 9150917 is a prime.

It is a super-2 number, since 2×9150981² = 167480906524722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9150901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12460 + ... + 13173.

It is an arithmetic number, because the mean of its divisors is an integer number (922824).

Almost surely, 2^9150981 is an apocalyptic number.

It is an amenable number.

9150981 is a deficient number, since it is larger than the sum of its proper divisors (5614203).

9150981 is a wasteful number, since it uses less digits than its factorization.

9150981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25660.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 9150981 is about 3025.0588424029. The cubic root of 9150981 is about 209.1650977556.

The spelling of 9150981 in words is "nine million, one hundred fifty thousand, nine hundred eighty-one".