4129426 has 24 divisors (see below), whose sum is σ = 7459020. Its totient is φ = 1707552.

The previous prime is 4129423. The next prime is 4129429. The reversal of 4129426 is 6249214.

It is an interprime number because it is at equal distance from previous prime (4129423) and next prime (4129429).

It can be written as a sum of positive squares in 2 ways, for example, as 3705625 + 423801 = 1925^2 + 651^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4129394 and 4129403.

It is not an unprimeable number, because it can be changed into a prime (4129423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2116 + ... + 3568.

Almost surely, 2^4129426 is an apocalyptic number.

4129426 is a deficient number, since it is larger than the sum of its proper divisors (3329594).

4129426 is a wasteful number, since it uses less digits than its factorization.

4129426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498 (or 1491 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 4129426 is about 2032.0989149153. The cubic root of 4129426 is about 160.4340557825.

The spelling of 4129426 in words is "four million, one hundred twenty-nine thousand, four hundred twenty-six".