1972454 has 8 divisors (see below), whose sum is σ = 3227688. Its totient is φ = 896560.

The previous prime is 1972441. The next prime is 1972471. The reversal of 1972454 is 4542791.

It is a happy number.

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

It is a d-powerful number, because it can be written as 1 + 9³ + 7⁵ + 2⁹ + 4⁴ + 5⁹ + 4⁵ .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1972454.

It is a congruent number.

It is an unprimeable number.

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, 44807 + ... + 44850.

It is an arithmetic number, because the mean of its divisors is an integer number (403461).

2^1972454 is an apocalyptic number.

1972454 is a deficient number, since it is larger than the sum of its proper divisors (1255234).

1972454 is a wasteful number, since it uses less digits than its factorization.

1972454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89670.

The product of its digits is 10080, while the sum is 32.

The square root of 1972454 is about 1404.4408139897. The cubic root of 1972454 is about 125.4109991565.

The spelling of 1972454 in words is "one million, nine hundred seventy-two thousand, four hundred fifty-four".