169230940 has 24 divisors (see below), whose sum is σ = 356610240. Its totient is φ = 67459008.

The previous prime is 169230931. The next prime is 169230959. The reversal of 169230940 is 49032961.

It is a super-2 number, since 2×169230940² = 57278222106567200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 169230896 and 169230905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8580 + ... + 20299.

It is an arithmetic number, because the mean of its divisors is an integer number (14858760).

Almost surely, 2^169230940 is an apocalyptic number.

169230940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169230940 is an abundant number, since it is smaller than the sum of its proper divisors (187379300).

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

169230940 is a wasteful number, since it uses less digits than its factorization.

169230940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29181 (or 29179 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 169230940 is about 13008.8792753258. The cubic root of 169230940 is about 553.1292040707.

The spelling of 169230940 in words is "one hundred sixty-nine million, two hundred thirty thousand, nine hundred forty".