1402642 has 8 divisors (see below), whose sum is σ = 2109132. Its totient is φ = 699600.

The previous prime is 1402603. The next prime is 1402673. The reversal of 1402642 is 2462041.

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 77841 = 1151^2 + 279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792 + ... + 1852.

2^1402642 is an apocalyptic number.

1402642 is a deficient number, since it is larger than the sum of its proper divisors (706490).

1402642 is a wasteful number, since it uses less digits than its factorization.

1402642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1402642 is about 1184.3318791623. The cubic root of 1402642 is about 111.9392208494.

Adding to 1402642 its reverse (2462041), we get a palindrome (3864683).

The spelling of 1402642 in words is "one million, four hundred two thousand, six hundred forty-two".