1378602 has 48 divisors (see below), whose sum is σ = 3276000. Its totient is φ = 417312.

The previous prime is 1378591. The next prime is 1378603. The reversal of 1378602 is 2068731.

It is not an unprimeable number, because it can be changed into a prime (1378603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9849 + ... + 9987.

It is an arithmetic number, because the mean of its divisors is an integer number (68250).

2^1378602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1378602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638000).

1378602 is an abundant number, since it is smaller than the sum of its proper divisors (1897398).

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

1378602 is a wasteful number, since it uses less digits than its factorization.

1378602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1378602 is about 1174.1388333583. The cubic root of 1378602 is about 111.2960201811.

The spelling of 1378602 in words is "one million, three hundred seventy-eight thousand, six hundred two".