162989340 has 48 divisors (see below), whose sum is σ = 457283232. Its totient is φ = 43376896.

The previous prime is 162989327. The next prime is 162989347. The reversal of 162989340 is 43989261.

It is a junction number, because it is equal to n+sod(n) for n = 162989292 and 162989301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162989347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30982 + ... + 35858.

It is an arithmetic number, because the mean of its divisors is an integer number (9526734).

Almost surely, 2^162989340 is an apocalyptic number.

162989340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162989340 is an abundant number, since it is smaller than the sum of its proper divisors (294293892).

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

162989340 is a wasteful number, since it uses less digits than its factorization.

162989340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446 (or 5444 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 162989340 is about 12766.7278501580. The cubic root of 162989340 is about 546.2436487208.

The spelling of 162989340 in words is "one hundred sixty-two million, nine hundred eighty-nine thousand, three hundred forty".