1392606 has 64 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 414720.

The previous prime is 1392557. The next prime is 1392607. The reversal of 1392606 is 6062931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1392606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33946 + ... + 33986.

It is an arithmetic number, because the mean of its divisors is an integer number (53865).

2^1392606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1392606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723680).

1392606 is an abundant number, since it is smaller than the sum of its proper divisors (2054754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1392606 is a wasteful number, since it uses less digits than its factorization.

1392606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1392606 is about 1180.0872849073. The cubic root of 1392606 is about 111.6716039499.

The spelling of 1392606 in words is "one million, three hundred ninety-two thousand, six hundred six".