946239081 has 8 divisors (see below), whose sum is σ = 1279422144. Its totient is φ = 621941040.

The previous prime is 946239079. The next prime is 946239089. The reversal of 946239081 is 180932649.

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

It is not a de Polignac number, because 946239081 - 2¹ = 946239079 is a prime.

It is a super-2 number, since 2×946239081² = 1790736796823449122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (946239089) 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, 2221006 + ... + 2221431.

It is an arithmetic number, because the mean of its divisors is an integer number (159927768).

Almost surely, 2^946239081 is an apocalyptic number.

It is an amenable number.

946239081 is a deficient number, since it is larger than the sum of its proper divisors (333183063).

946239081 is a wasteful number, since it uses less digits than its factorization.

946239081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442511.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 946239081 is about 30760.9993498261. Note that the first 3 decimals coincide. The cubic root of 946239081 is about 981.7486069112.

The spelling of 946239081 in words is "nine hundred forty-six million, two hundred thirty-nine thousand, eighty-one".