1982955 has 16 divisors (see below), whose sum is σ = 3417120. Its totient is φ = 976128.

The previous prime is 1982951. The next prime is 1982957. The reversal of 1982955 is 5592891.

It is not a de Polignac number, because 1982955 - 2² = 1982951 is a prime.

It is a super-2 number, since 2×1982955² = 7864221064050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

1982955 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1982951) 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, 4890 + ... + 5279.

It is an arithmetic number, because the mean of its divisors is an integer number (213570).

2^1982955 is an apocalyptic number.

1982955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1982955 is a deficient number, since it is larger than the sum of its proper divisors (1434165).

1982955 is a wasteful number, since it uses less digits than its factorization.

1982955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10190.

The product of its digits is 32400, while the sum is 39.

The square root of 1982955 is about 1408.1743500007. The cubic root of 1982955 is about 125.6331607777.

The spelling of 1982955 in words is "one million, nine hundred eighty-two thousand, nine hundred fifty-five".