1420608 has 84 divisors (see below), whose sum is σ = 4401312. Its totient is φ = 403200.

The previous prime is 1420607. The next prime is 1420613. The reversal of 1420608 is 8060241.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9333 + ... + 9483.

2^1420608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2200656).

1420608 is an abundant number, since it is smaller than the sum of its proper divisors (2980704).

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

1420608 is a wasteful number, since it uses less digits than its factorization.

1420608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1420608 is about 1191.8926126124. The cubic root of 1420608 is about 112.4151261078.

Adding to 1420608 its reverse (8060241), we get a palindrome (9480849).

The spelling of 1420608 in words is "one million, four hundred twenty thousand, six hundred eight".