946081901 has 8 divisors (see below), whose sum is σ = 978403584. Its totient is φ = 913872960.

The previous prime is 946081861. The next prime is 946081921. The reversal of 946081901 is 109180649.

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 a de Polignac number, because none of the positive numbers 2^k-946081901 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946081921) 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, 10940 + ... + 44853.

It is an arithmetic number, because the mean of its divisors is an integer number (122300448).

Almost surely, 2^946081901 is an apocalyptic number.

It is an amenable number.

946081901 is a deficient number, since it is larger than the sum of its proper divisors (32321683).

946081901 is a wasteful number, since it uses less digits than its factorization.

946081901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56371.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 946081901 is about 30758.4443852416. Note that the first 3 decimals coincide. The cubic root of 946081901 is about 981.6942444024.

The spelling of 946081901 in words is "nine hundred forty-six million, eighty-one thousand, nine hundred one".