919401 has 8 divisors (see below), whose sum is σ = 1401024. Its totient is φ = 525360.

The previous prime is 919393. The next prime is 919409. The reversal of 919401 is 104919.

919401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (919393) and next prime (919409).

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

It is not a de Polignac number, because 919401 - 2³ = 919393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (919409) 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, 21870 + ... + 21911.

It is an arithmetic number, because the mean of its divisors is an integer number (175128).

2⁹¹⁹⁴⁰¹ is an apocalyptic number.

It is an amenable number.

919401 is a deficient number, since it is larger than the sum of its proper divisors (481623).

919401 is a wasteful number, since it uses less digits than its factorization.

919401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43791.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 919401 is about 958.8540034854. The cubic root of 919401 is about 97.2377700426.

The spelling of 919401 in words is "nine hundred nineteen thousand, four hundred one".