1401435 has 32 divisors (see below), whose sum is σ = 2849280. Its totient is φ = 640224.

The previous prime is 1401409. The next prime is 1401437. The reversal of 1401435 is 5341041.

It is a happy number.

It is not a de Polignac number, because 1401435 - 2⁵ = 1401403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204 + ... + 1686.

It is an arithmetic number, because the mean of its divisors is an integer number (89040).

2^1401435 is an apocalyptic number.

1401435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1401435 is an abundant number, since it is smaller than the sum of its proper divisors (1447845).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401435 is a wasteful number, since it uses less digits than its factorization.

1401435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1401435 is about 1183.8221994877. The cubic root of 1401435 is about 111.9071030286.

Adding to 1401435 its reverse (5341041), we get a palindrome (6742476).

The spelling of 1401435 in words is "one million, four hundred one thousand, four hundred thirty-five".