401393369 has 8 divisors (see below), whose sum is σ = 436468032. Its totient is φ = 366918480.

The previous prime is 401393357. The next prime is 401393387. The reversal of 401393369 is 963393104.

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

It is a cyclic number.

It is not a de Polignac number, because 401393369 - 2¹⁶ = 401327833 is a prime.

It is a super-2 number, since 2×401393369² = 322233273354340322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401393329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148547 + ... + 151224.

It is an arithmetic number, because the mean of its divisors is an integer number (54558504).

Almost surely, 2^401393369 is an apocalyptic number.

It is an amenable number.

401393369 is a deficient number, since it is larger than the sum of its proper divisors (35074663).

401393369 is a wasteful number, since it uses less digits than its factorization.

401393369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299887.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 401393369 is about 20034.8039421403. The cubic root of 401393369 is about 737.6608441293.

The spelling of 401393369 in words is "four hundred one million, three hundred ninety-three thousand, three hundred sixty-nine".