1402216 has 8 divisors (see below), whose sum is σ = 2629170. Its totient is φ = 701104.

The previous prime is 1402201. The next prime is 1402231. The reversal of 1402216 is 6122041.

It is an interprime number because it is at equal distance from previous prime (1402201) and next prime (1402231).

It can be written as a sum of positive squares in only one way, i.e., 1276900 + 125316 = 1130^2 + 354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1402216.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87631 + ... + 87646.

2^1402216 is an apocalyptic number.

It is an amenable number.

1402216 is a deficient number, since it is larger than the sum of its proper divisors (1226954).

1402216 is a wasteful number, since it uses less digits than its factorization.

1402216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175283 (or 175279 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1402216 is about 1184.1520172681. The cubic root of 1402216 is about 111.9278872526.

Adding to 1402216 its reverse (6122041), we get a palindrome (7524257).

The spelling of 1402216 in words is "one million, four hundred two thousand, two hundred sixteen".