1405401 has 8 divisors (see below), whose sum is σ = 1909440. Its totient is φ = 919152.

The previous prime is 1405387. The next prime is 1405403. The reversal of 1405401 is 1045041.

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

It is not a de Polignac number, because 1405401 - 2¹⁵ = 1372633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1405403) 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, 4261 + ... + 4578.

It is an arithmetic number, because the mean of its divisors is an integer number (238680).

2^1405401 is an apocalyptic number.

It is an amenable number.

1405401 is a deficient number, since it is larger than the sum of its proper divisors (504039).

1405401 is an equidigital number, since it uses as much as digits as its factorization.

1405401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1405401 is about 1185.4960986861. The cubic root of 1405401 is about 112.0125676798.

The spelling of 1405401 in words is "one million, four hundred five thousand, four hundred one".