1982907 has 12 divisors (see below), whose sum is σ = 2948520. Its totient is φ = 1317060.

The previous prime is 1982891. The next prime is 1982909. The reversal of 1982907 is 7092891.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 1982907 - 2⁴ = 1982891 is a prime.

1982907 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1982909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7182 + ... + 7452.

It is an arithmetic number, because the mean of its divisors is an integer number (245710).

2^1982907 is an apocalyptic number.

1982907 is a deficient number, since it is larger than the sum of its proper divisors (965613).

1982907 is an frugal number, since it uses more digits than its factorization.

1982907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1982907 is about 1408.1573065535. The cubic root of 1982907 is about 125.6321470650.

The spelling of 1982907 in words is "one million, nine hundred eighty-two thousand, nine hundred seven".