170469940 has 48 divisors (see below), whose sum is σ = 368331264. Its totient is φ = 66240000.

The previous prime is 170469883. The next prime is 170469947. The reversal of 170469940 is 49964071.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 170469893 and 170469902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170469947) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 141340 + ... + 142540.

It is an arithmetic number, because the mean of its divisors is an integer number (7673568).

Almost surely, 2^170469940 is an apocalyptic number.

170469940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

170469940 is an abundant number, since it is smaller than the sum of its proper divisors (197861324).

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

170469940 is a wasteful number, since it uses less digits than its factorization.

170469940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 170469940 is about 13056.4137495715. The cubic root of 170469940 is about 554.4758083928.

The spelling of 170469940 in words is "one hundred seventy million, four hundred sixty-nine thousand, nine hundred forty".