616402 has 8 divisors (see below), whose sum is σ = 928512. Its totient is φ = 306900.

The previous prime is 616393. The next prime is 616409. The reversal of 616402 is 204616.

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

It is a self number, because there is not a number n which added to its sum of digits gives 616402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616409) by changing a digit.

616402 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127 + ... + 1117.

It is an arithmetic number, because the mean of its divisors is an integer number (116064).

2⁶¹⁶⁴⁰² is an apocalyptic number.

616402 is a deficient number, since it is larger than the sum of its proper divisors (312110).

616402 is a wasteful number, since it uses less digits than its factorization.

616402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 616402 is about 785.1127307591. The cubic root of 616402 is about 85.1049223357.

The spelling of 616402 in words is "six hundred sixteen thousand, four hundred two".