17940534 has 32 divisors (see below), whose sum is σ = 37031904. Its totient is φ = 5790720.

The previous prime is 17940499. The next prime is 17940551. The reversal of 17940534 is 43504971.

It is a junction number, because it is equal to n+sod(n) for n = 17940495 and 17940504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57162 + ... + 57474.

It is an arithmetic number, because the mean of its divisors is an integer number (1157247).

Almost surely, 2^17940534 is an apocalyptic number.

17940534 is an abundant number, since it is smaller than the sum of its proper divisors (19091370).

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

17940534 is a wasteful number, since it uses less digits than its factorization.

17940534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 17940534 is about 4235.6267540944. The cubic root of 17940534 is about 261.7852191553.

The spelling of 17940534 in words is "seventeen million, nine hundred forty thousand, five hundred thirty-four".