169275940 has 24 divisors (see below), whose sum is σ = 374189760. Its totient is φ = 64146528.

The previous prime is 169275923. The next prime is 169275941. The reversal of 169275940 is 49572961.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (169275941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222352 + ... + 223111.

It is an arithmetic number, because the mean of its divisors is an integer number (15591240).

Almost surely, 2^169275940 is an apocalyptic number.

169275940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169275940 is an abundant number, since it is smaller than the sum of its proper divisors (204913820).

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

169275940 is a wasteful number, since it uses less digits than its factorization.

169275940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445491 (or 445489 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 169275940 is about 13010.6087482485. The cubic root of 169275940 is about 553.1782270376.

The spelling of 169275940 in words is "one hundred sixty-nine million, two hundred seventy-five thousand, nine hundred forty".