18029426 has 16 divisors (see below), whose sum is σ = 27536544. Its totient is φ = 8852064.

The previous prime is 18029419. The next prime is 18029437. The reversal of 18029426 is 62492081.

It is a junction number, because it is equal to n+sod(n) for n = 18029392 and 18029401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51785 + ... + 52131.

It is an arithmetic number, because the mean of its divisors is an integer number (1721034).

Almost surely, 2^18029426 is an apocalyptic number.

18029426 is a deficient number, since it is larger than the sum of its proper divisors (9507118).

18029426 is a wasteful number, since it uses less digits than its factorization.

18029426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 18029426 is about 4246.1071583275. The cubic root of 18029426 is about 262.2168726632.

The spelling of 18029426 in words is "eighteen million, twenty-nine thousand, four hundred twenty-six".