1895401 has 4 divisors (see below), whose sum is σ = 1912900. Its totient is φ = 1877904.

The previous prime is 1895359. The next prime is 1895479. The reversal of 1895401 is 1045981.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1263376 + 632025 = 1124^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 1895401 - 2⁷ = 1895273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1895401.

It is not an unprimeable number, because it can be changed into a prime (1895501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8586 + ... + 8803.

It is an arithmetic number, because the mean of its divisors is an integer number (478225).

2^1895401 is an apocalyptic number.

It is an amenable number.

1895401 is a deficient number, since it is larger than the sum of its proper divisors (17499).

1895401 is a wasteful number, since it uses less digits than its factorization.

1895401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17498.

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

The square root of 1895401 is about 1376.7356318480. The cubic root of 1895401 is about 123.7562198010.

The spelling of 1895401 in words is "one million, eight hundred ninety-five thousand, four hundred one".