1972401 has 8 divisors (see below), whose sum is σ = 2645280. Its totient is φ = 1307232.

The previous prime is 1972381. The next prime is 1972417. The reversal of 1972401 is 1042791.

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

It is not a de Polignac number, because 1972401 - 2⁹ = 1971889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1972441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (330660).

2^1972401 is an apocalyptic number.

It is an amenable number.

1972401 is a deficient number, since it is larger than the sum of its proper divisors (672879).

1972401 is a wasteful number, since it uses less digits than its factorization.

1972401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1972401 is about 1404.4219451433. The cubic root of 1972401 is about 125.4098758785.

The spelling of 1972401 in words is "one million, nine hundred seventy-two thousand, four hundred one".