946219901 has 4 divisors (see below), whose sum is σ = 1032239904. Its totient is φ = 860199900.

The previous prime is 946219891. The next prime is 946219909. The reversal of 946219901 is 109912649.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 946219901 - 2¹⁰ = 946218877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946219909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43009985 + ... + 43010006.

It is an arithmetic number, because the mean of its divisors is an integer number (258059976).

Almost surely, 2^946219901 is an apocalyptic number.

It is an amenable number.

946219901 is a deficient number, since it is larger than the sum of its proper divisors (86020003).

946219901 is a wasteful number, since it uses less digits than its factorization.

946219901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86020002.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 946219901 is about 30760.6875898443. The cubic root of 946219901 is about 981.7419736104.

The spelling of 946219901 in words is "nine hundred forty-six million, two hundred nineteen thousand, nine hundred one".