4340426 has 4 divisors (see below), whose sum is σ = 6510642. Its totient is φ = 2170212.

The previous prime is 4340419. The next prime is 4340429. The reversal of 4340426 is 6240434.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6240434 = 2 ⋅3120217.

It can be written as a sum of positive squares in only one way, i.e., 2235025 + 2105401 = 1495^2 + 1451^2 .

It is a super-2 number, since 2×4340426² = 37678595722952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4340429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085105 + ... + 1085108.

Almost surely, 2^4340426 is an apocalyptic number.

4340426 is a deficient number, since it is larger than the sum of its proper divisors (2170216).

4340426 is a wasteful number, since it uses less digits than its factorization.

4340426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170215.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4340426 is about 2083.3689063630. The cubic root of 4340426 is about 163.1213418928.

The spelling of 4340426 in words is "four million, three hundred forty thousand, four hundred twenty-six".