1402646 has 8 divisors (see below), whose sum is σ = 2404560. Its totient is φ = 601128.

The previous prime is 1402603. The next prime is 1402673. The reversal of 1402646 is 6462041.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 50081 + ... + 50108.

It is an arithmetic number, because the mean of its divisors is an integer number (300570).

2^1402646 is an apocalyptic number.

1402646 is a deficient number, since it is larger than the sum of its proper divisors (1001914).

1402646 is a wasteful number, since it uses less digits than its factorization.

1402646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100198.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1402646 is about 1184.3335678769. Note that the first 3 decimals coincide. The cubic root of 1402646 is about 111.9393272573.

Adding to 1402646 its reverse (6462041), we get a palindrome (7864687).

It can be divided in two parts, 1402 and 646, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1402646 in words is "one million, four hundred two thousand, six hundred forty-six".