401783612 has 6 divisors (see below), whose sum is σ = 703121328. Its totient is φ = 200891804.

The previous prime is 401783597. The next prime is 401783623. The reversal of 401783612 is 216387104.

It is a super-2 number, since 2×401783612² = 322860141743533088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50222948 + ... + 50222955.

It is an arithmetic number, because the mean of its divisors is an integer number (117186888).

Almost surely, 2^401783612 is an apocalyptic number.

It is an amenable number.

401783612 is a deficient number, since it is larger than the sum of its proper divisors (301337716).

401783612 is a wasteful number, since it uses less digits than its factorization.

401783612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100445907 (or 100445905 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 401783612 is about 20044.5407031441. The cubic root of 401783612 is about 737.8998231154.

The spelling of 401783612 in words is "four hundred one million, seven hundred eighty-three thousand, six hundred twelve".