8150981 has 8 divisors (see below), whose sum is σ = 8608800. Its totient is φ = 7696080.

The previous prime is 8150977. The next prime is 8151023. The reversal of 8150981 is 1890518.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8150981 - 2² = 8150977 is a prime.

It is a super-2 number, since 2×8150981² = 132876982524722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8150921) 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, 7490 + ... + 8508.

It is an arithmetic number, because the mean of its divisors is an integer number (1076100).

Almost surely, 2^8150981 is an apocalyptic number.

It is an amenable number.

8150981 is a deficient number, since it is larger than the sum of its proper divisors (457819).

8150981 is a wasteful number, since it uses less digits than its factorization.

8150981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 8150981 is about 2854.9922942103. The cubic root of 8150981 is about 201.2503419358.

The spelling of 8150981 in words is "eight million, one hundred fifty thousand, nine hundred eighty-one".