1402609 has 8 divisors (see below), whose sum is σ = 1576512. Its totient is φ = 1238160.

The previous prime is 1402603. The next prime is 1402673. The reversal of 1402609 is 9062041.

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

It is a cyclic number.

It is not a de Polignac number, because 1402609 - 2¹³ = 1394417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1402609.

It is not an unprimeable number, because it can be changed into a prime (1402603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047 + ... + 2644.

It is an arithmetic number, because the mean of its divisors is an integer number (197064).

2^1402609 is an apocalyptic number.

It is an amenable number.

1402609 is a deficient number, since it is larger than the sum of its proper divisors (173903).

1402609 is a wasteful number, since it uses less digits than its factorization.

1402609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1402609 is about 1184.3179471747. The cubic root of 1402609 is about 111.9383429767.

Adding to 1402609 its product of nonzero digits (432), we get a palindrome (1403041).

The spelling of 1402609 in words is "one million, four hundred two thousand, six hundred nine".