1968402 has 8 divisors (see below), whose sum is σ = 3936816. Its totient is φ = 656132.

The previous prime is 1968401. The next prime is 1968403. The reversal of 1968402 is 2048691.

It is an interprime number because it is at equal distance from previous prime (1968401) and next prime (1968403).

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

1968402 is an admirable number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1968402.

It is not an unprimeable number, because it can be changed into a prime (1968401) 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, 164028 + ... + 164039.

It is an arithmetic number, because the mean of its divisors is an integer number (492102).

2^1968402 is an apocalyptic number.

1968402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1968402 is a wasteful number, since it uses less digits than its factorization.

1968402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328072.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1968402 is about 1402.9975053435. The cubic root of 1968402 is about 125.3250632715.

The spelling of 1968402 in words is "one million, nine hundred sixty-eight thousand, four hundred two".