401383434 has 8 divisors (see below), whose sum is σ = 802766880. Its totient is φ = 133794476.

The previous prime is 401383421. The next prime is 401383439. The reversal of 401383434 is 434383104.

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

401383434 is an admirable number.

It is a super-2 number, since 2×401383434² = 322217322179264712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401383439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33448614 + ... + 33448625.

It is an arithmetic number, because the mean of its divisors is an integer number (100345860).

Almost surely, 2^401383434 is an apocalyptic number.

401383434 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.

401383434 is a wasteful number, since it uses less digits than its factorization.

401383434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66897244.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 401383434 is about 20034.5559970767. Note that the first 3 decimals coincide. The cubic root of 401383434 is about 737.6547580622.

The spelling of 401383434 in words is "four hundred one million, three hundred eighty-three thousand, four hundred thirty-four".