1401833 has 4 divisors (see below), whose sum is σ = 1404228. Its totient is φ = 1399440.

The previous prime is 1401823. The next prime is 1401857. The reversal of 1401833 is 3381041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3381041 = 151 ⋅22391.

It can be written as a sum of positive squares in 2 ways, for example, as 1183744 + 218089 = 1088^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401833 - 2⁴ = 1401817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1401823) 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, 335 + ... + 1707.

It is an arithmetic number, because the mean of its divisors is an integer number (351057).

2^1401833 is an apocalyptic number.

It is an amenable number.

1401833 is a deficient number, since it is larger than the sum of its proper divisors (2395).

1401833 is a wasteful number, since it uses less digits than its factorization.

1401833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1401833 is about 1183.9902871223. The cubic root of 1401833 is about 111.9176956977.

Adding to 1401833 its reverse (3381041), we get a palindrome (4782874).

The spelling of 1401833 in words is "one million, four hundred one thousand, eight hundred thirty-three".