611902 has 8 divisors (see below), whose sum is σ = 923976. Its totient is φ = 303912.

The previous prime is 611887. The next prime is 611903. The reversal of 611902 is 209116.

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 611902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611903) by changing a digit.

611902 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, 613 + ... + 1264.

It is an arithmetic number, because the mean of its divisors is an integer number (115497).

2⁶¹¹⁹⁰² is an apocalyptic number.

611902 is a deficient number, since it is larger than the sum of its proper divisors (312074).

611902 is a wasteful number, since it uses less digits than its factorization.

611902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 611902 is about 782.2416506426. The cubic root of 611902 is about 84.8973154479.

The spelling of 611902 in words is "six hundred eleven thousand, nine hundred two".