610438 has 4 divisors (see below), whose sum is σ = 915660. Its totient is φ = 305218.

The previous prime is 610429. The next prime is 610439. The reversal of 610438 is 834016.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152608 + ... + 152611.

It is an arithmetic number, because the mean of its divisors is an integer number (228915).

2⁶¹⁰⁴³⁸ is an apocalyptic number.

610438 is a deficient number, since it is larger than the sum of its proper divisors (305222).

610438 is a wasteful number, since it uses less digits than its factorization.

610438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305221.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 610438 is about 781.3053180415. The cubic root of 610438 is about 84.8295546384.

The spelling of 610438 in words is "six hundred ten thousand, four hundred thirty-eight".