7940234 has 8 divisors (see below), whose sum is σ = 11923428. Its totient is φ = 3965760.

The previous prime is 7940209. The next prime is 7940239. The reversal of 7940234 is 4320497.

It can be written as a sum of positive squares in 2 ways, for example, as 5040025 + 2900209 = 2245^2 + 1703^2 .

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 = 7940197 and 7940206.

It is not an unprimeable number, because it can be changed into a prime (7940239) 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, 1064 + ... + 4124.

Almost surely, 2^7940234 is an apocalyptic number.

7940234 is a deficient number, since it is larger than the sum of its proper divisors (3983194).

7940234 is a wasteful number, since it uses less digits than its factorization.

7940234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 7940234 is about 2817.8420821615. The cubic root of 7940234 is about 199.5007045576.

The spelling of 7940234 in words is "seven million, nine hundred forty thousand, two hundred thirty-four".