611942 has 4 divisors (see below), whose sum is σ = 917916. Its totient is φ = 305970.

The previous prime is 611939. The next prime is 611951. The reversal of 611942 is 249116.

It is a happy number.

611942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×611942² = 748946022728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152984 + ... + 152987.

It is an arithmetic number, because the mean of its divisors is an integer number (229479).

2⁶¹¹⁹⁴² is an apocalyptic number.

611942 is a deficient number, since it is larger than the sum of its proper divisors (305974).

611942 is a wasteful number, since it uses less digits than its factorization.

611942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305973.

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

The square root of 611942 is about 782.2672177715. The cubic root of 611942 is about 84.8991653185.

The spelling of 611942 in words is "six hundred eleven thousand, nine hundred forty-two".