401293 has 4 divisors (see below), whose sum is σ = 404320. Its totient is φ = 398268.

The previous prime is 401287. The next prime is 401309. The reversal of 401293 is 392104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401293 is a prime.

It is a super-2 number, since 2×401293² = 322072143698, which contains 22 as substring.

It is a Duffinian number.

401293 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 401293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305 + ... + 1582.

It is an arithmetic number, because the mean of its divisors is an integer number (101080).

2⁴⁰¹²⁹³ is an apocalyptic number.

It is an amenable number.

401293 is a deficient number, since it is larger than the sum of its proper divisors (3027).

401293 is a wasteful number, since it uses less digits than its factorization.

401293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 401293 is about 633.4769135493. The cubic root of 401293 is about 73.7599354612.

Adding to 401293 its reverse (392104), we get a palindrome (793397).

The spelling of 401293 in words is "four hundred one thousand, two hundred ninety-three".