1401895 has 16 divisors (see below), whose sum is σ = 1866240. Its totient is φ = 1002400.

The previous prime is 1401857. The next prime is 1401937. The reversal of 1401895 is 5981041.

It is a happy number.

It is not a de Polignac number, because 1401895 - 2⁷ = 1401767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3726 + ... + 4084.

It is an arithmetic number, because the mean of its divisors is an integer number (116640).

2^1401895 is an apocalyptic number.

1401895 is a deficient number, since it is larger than the sum of its proper divisors (464345).

1401895 is a wasteful number, since it uses less digits than its factorization.

1401895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1401895 is about 1184.0164694800. The cubic root of 1401895 is about 111.9193456314.

The spelling of 1401895 in words is "one million, four hundred one thousand, eight hundred ninety-five".