1970499 has 4 divisors (see below), whose sum is σ = 2627336. Its totient is φ = 1313664.

The previous prime is 1970491. The next prime is 1970513. The reversal of 1970499 is 9940791.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1970499 - 2³ = 1970491 is a prime.

It is a D-number.

It is a Duffinian number.

1970499 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1970491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328414 + ... + 328419.

It is an arithmetic number, because the mean of its divisors is an integer number (656834).

2^1970499 is an apocalyptic number.

1970499 is a deficient number, since it is larger than the sum of its proper divisors (656837).

1970499 is an equidigital number, since it uses as much as digits as its factorization.

1970499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656836.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 1970499 is about 1403.7446348962. The cubic root of 1970499 is about 125.3695517089.

The spelling of 1970499 in words is "one million, nine hundred seventy thousand, four hundred ninety-nine".