1416820 has 12 divisors (see below), whose sum is σ = 2975364. Its totient is φ = 566720.

The previous prime is 1416809. The next prime is 1416829. The reversal of 1416820 is 286141.

It can be written as a sum of positive squares in 2 ways, for example, as 595984 + 820836 = 772^2 + 906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1416791 and 1416800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416829) 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, 35401 + ... + 35440.

It is an arithmetic number, because the mean of its divisors is an integer number (247947).

2^1416820 is an apocalyptic number.

1416820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1416820 is an abundant number, since it is smaller than the sum of its proper divisors (1558544).

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

1416820 is a wasteful number, since it uses less digits than its factorization.

1416820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70850 (or 70848 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1416820 is about 1190.3024825648. The cubic root of 1416820 is about 112.3151202077.

The spelling of 1416820 in words is "one million, four hundred sixteen thousand, eight hundred twenty".