1348638 has 16 divisors (see below), whose sum is σ = 2748816. Its totient is φ = 440960.

The previous prime is 1348637. The next prime is 1348673. The reversal of 1348638 is 8368431.

It is a junction number, because it is equal to n+sod(n) for n = 1348599 and 1348608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348637) 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, 1803 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (171801).

2^1348638 is an apocalyptic number.

1348638 is an abundant number, since it is smaller than the sum of its proper divisors (1400178).

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

1348638 is a wasteful number, since it uses less digits than its factorization.

1348638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4299.

The product of its digits is 13824, while the sum is 33.

The square root of 1348638 is about 1161.3087444775. The cubic root of 1348638 is about 110.4837646684.

The spelling of 1348638 in words is "one million, three hundred forty-eight thousand, six hundred thirty-eight".