1401608 has 16 divisors (see below), whose sum is σ = 2830380. Its totient is φ = 646848.

The previous prime is 1401607. The next prime is 1401613. The reversal of 1401608 is 8061041.

It can be written as a sum of positive squares in 2 ways, for example, as 1387684 + 13924 = 1178^2 + 118^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1401608.

It is not an unprimeable number, because it can be changed into a prime (1401601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6635 + ... + 6842.

2^1401608 is an apocalyptic number.

It is an amenable number.

1401608 is an abundant number, since it is smaller than the sum of its proper divisors (1428772).

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

1401608 is a wasteful number, since it uses less digits than its factorization.

1401608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13496 (or 13492 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1401608 is about 1183.8952656380. The cubic root of 1401608 is about 111.9117076261.

Adding to 1401608 its reverse (8061041), we get a palindrome (9462649).

The spelling of 1401608 in words is "one million, four hundred one thousand, six hundred eight".