2391934 has 8 divisors (see below), whose sum is σ = 3799008. Its totient is φ = 1125600.

The previous prime is 2391889. The next prime is 2391937. The reversal of 2391934 is 4391932.

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

It is a junction number, because it is equal to n+sod(n) for n = 2391896 and 2391905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391937) 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, 35142 + ... + 35209.

It is an arithmetic number, because the mean of its divisors is an integer number (474876).

2^2391934 is an apocalyptic number.

2391934 is a deficient number, since it is larger than the sum of its proper divisors (1407074).

2391934 is a wasteful number, since it uses less digits than its factorization.

2391934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70370.

The product of its digits is 5832, while the sum is 31.

The square root of 2391934 is about 1546.5878571876. The cubic root of 2391934 is about 133.7364314998.

The spelling of 2391934 in words is "two million, three hundred ninety-one thousand, nine hundred thirty-four".