1971162 has 32 divisors (see below), whose sum is σ = 4426560. Its totient is φ = 650160.

The previous prime is 1971161. The next prime is 1971181. The reversal of 1971162 is 2611791.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1971161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9237 + ... + 9447.

It is an arithmetic number, because the mean of its divisors is an integer number (138330).

2^1971162 is an apocalyptic number.

1971162 is an abundant number, since it is smaller than the sum of its proper divisors (2455398).

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

1971162 is a wasteful number, since it uses less digits than its factorization.

1971162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 389 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 1971162 is about 1403.9807690991. The cubic root of 1971162 is about 125.3836108706.

The spelling of 1971162 in words is "one million, nine hundred seventy-one thousand, one hundred sixty-two".