401446146 has 8 divisors (see below), whose sum is σ = 802892304. Its totient is φ = 133815380.

The previous prime is 401446091. The next prime is 401446147. The reversal of 401446146 is 641644104.

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

401446146 is an admirable number.

It is a super-2 number, since 2×401446146² = 322318016276506632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401446147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33453840 + ... + 33453851.

It is an arithmetic number, because the mean of its divisors is an integer number (100361538).

Almost surely, 2^401446146 is an apocalyptic number.

401446146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401446146 is a wasteful number, since it uses less digits than its factorization.

401446146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66907696.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 401446146 is about 20036.1210317766. The cubic root of 401446146 is about 737.6931730309.

The spelling of 401446146 in words is "four hundred one million, four hundred forty-six thousand, one hundred forty-six".