401772933 has 16 divisors (see below), whose sum is σ = 601359360. Its totient is φ = 265085568.

The previous prime is 401772923. The next prime is 401772953. The reversal of 401772933 is 339277104.

It is not a de Polignac number, because 401772933 - 2¹⁴ = 401756549 is a prime.

It is a super-2 number, since 2×401772933² = 322842979382844978, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401772923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74085 + ... + 79322.

It is an arithmetic number, because the mean of its divisors is an integer number (37584960).

Almost surely, 2^401772933 is an apocalyptic number.

It is an amenable number.

401772933 is a deficient number, since it is larger than the sum of its proper divisors (199586427).

401772933 is a wasteful number, since it uses less digits than its factorization.

401772933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153513 (or 153507 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 401772933 is about 20044.2743196156. The cubic root of 401772933 is about 737.8932855151.

The spelling of 401772933 in words is "four hundred one million, seven hundred seventy-two thousand, nine hundred thirty-three".