1902216 has 16 divisors (see below), whose sum is σ = 4755600. Its totient is φ = 634064.

The previous prime is 1902209. The next prime is 1902217. The reversal of 1902216 is 6122091.

It is a junction number, because it is equal to n+sod(n) for n = 1902192 and 1902201.

It is not an unprimeable number, because it can be changed into a prime (1902217) 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, 39606 + ... + 39653.

It is an arithmetic number, because the mean of its divisors is an integer number (297225).

2^1902216 is an apocalyptic number.

It is an amenable number.

1902216 is an abundant number, since it is smaller than the sum of its proper divisors (2853384).

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

1902216 is a wasteful number, since it uses less digits than its factorization.

1902216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79268 (or 79264 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1902216 is about 1379.2084686515. The cubic root of 1902216 is about 123.9043660818.

The spelling of 1902216 in words is "one million, nine hundred two thousand, two hundred sixteen".