1916402 has 8 divisors (see below), whose sum is σ = 2881116. Its totient is φ = 956032.

The previous prime is 1916371. The next prime is 1916413. The reversal of 1916402 is 2046191.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1413721 + 502681 = 1189^2 + 709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458 + ... + 2010.

2^1916402 is an apocalyptic number.

1916402 is a deficient number, since it is larger than the sum of its proper divisors (964714).

1916402 is a wasteful number, since it uses less digits than its factorization.

1916402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1916402 is about 1384.3417208190. The cubic root of 1916402 is about 124.2116140344.

The spelling of 1916402 in words is "one million, nine hundred sixteen thousand, four hundred two".