1402641 has 6 divisors (see below), whose sum is σ = 2026050. Its totient is φ = 935088.

The previous prime is 1402603. The next prime is 1402673. The reversal of 1402641 is 1462041.

It can be written as a sum of positive squares in only one way, i.e., 1299600 + 103041 = 1140^2 + 321^2 .

It is not a de Polignac number, because 1402641 - 2⁹ = 1402129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77916 + ... + 77933.

It is an arithmetic number, because the mean of its divisors is an integer number (337675).

2^1402641 is an apocalyptic number.

It is an amenable number.

1402641 is a deficient number, since it is larger than the sum of its proper divisors (623409).

1402641 is a wasteful number, since it uses less digits than its factorization.

1402641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155855 (or 155852 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1402641 is about 1184.3314569832. The cubic root of 1402641 is about 111.9391942474.

Adding to 1402641 its reverse (1462041), we get a palindrome (2864682).

The spelling of 1402641 in words is "one million, four hundred two thousand, six hundred forty-one".