17940330 has 24 divisors (see below), whose sum is σ = 46645092. Its totient is φ = 4784064.

The previous prime is 17940317. The next prime is 17940359. The reversal of 17940330 is 3304971.

It can be written as a sum of positive squares in 2 ways, for example, as 16966161 + 974169 = 4119^2 + 987^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 17940294 and 17940303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99579 + ... + 99758.

Almost surely, 2^17940330 is an apocalyptic number.

17940330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17940330 is an abundant number, since it is smaller than the sum of its proper divisors (28704762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17940330 is a wasteful number, since it uses less digits than its factorization.

17940330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199350 (or 199347 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 17940330 is about 4235.6026725839. The cubic root of 17940330 is about 261.7842269071.

The spelling of 17940330 in words is "seventeen million, nine hundred forty thousand, three hundred thirty".