1972006 has 8 divisors (see below), whose sum is σ = 2972664. Its totient is φ = 981120.

The previous prime is 1971967. The next prime is 1972007. The reversal of 1972006 is 6002791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915 + ... + 2758.

It is an arithmetic number, because the mean of its divisors is an integer number (371583).

2^1972006 is an apocalyptic number.

1972006 is a deficient number, since it is larger than the sum of its proper divisors (1000658).

1972006 is a wasteful number, since it uses less digits than its factorization.

1972006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1972006 is about 1404.2813108491. The cubic root of 1972006 is about 125.4015036445.

Adding to 1972006 its reverse (6002791), we get a palindrome (7974797).

The spelling of 1972006 in words is "one million, nine hundred seventy-two thousand, six".