391413 has 16 divisors (see below), whose sum is σ = 590400. Its totient is φ = 228480.

The previous prime is 391403. The next prime is 391441. The reversal of 391413 is 314193.

391413 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 391413 - 2⁴ = 391397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 391413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (391403) 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 15 ways as a sum of consecutive naturals, for example, 753 + ... + 1161.

It is an arithmetic number, because the mean of its divisors is an integer number (36900).

2³⁹¹⁴¹³ is an apocalyptic number.

391413 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

391413 is a deficient number, since it is larger than the sum of its proper divisors (198987).

391413 is a wasteful number, since it uses less digits than its factorization.

391413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452.

The product of its digits is 324, while the sum is 21.

The square root of 391413 is about 625.6300823969. The cubic root of 391413 is about 73.1495651269.

The spelling of 391413 in words is "three hundred ninety-one thousand, four hundred thirteen".