1407609 has 12 divisors (see below), whose sum is σ = 2323776. Its totient is φ = 804312.

The previous prime is 1407607. The next prime is 1407611. The reversal of 1407609 is 9067041.

It is an interprime number because it is at equal distance from previous prime (1407607) and next prime (1407611).

It is not a de Polignac number, because 1407609 - 2¹ = 1407607 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11109 + ... + 11234.

It is an arithmetic number, because the mean of its divisors is an integer number (193648).

2^1407609 is an apocalyptic number.

It is an amenable number.

1407609 is a deficient number, since it is larger than the sum of its proper divisors (916167).

1407609 is a wasteful number, since it uses less digits than its factorization.

1407609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22356 (or 22353 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1407609 is about 1186.4269889041. The cubic root of 1407609 is about 112.0711972905.

It can be divided in two parts, 1407 and 609, that added together give a triangular number (2016 = T₆₃).

The spelling of 1407609 in words is "one million, four hundred seven thousand, six hundred nine".