972426 has 48 divisors (see below), whose sum is σ = 2424384. Its totient is φ = 254592.

The previous prime is 972409. The next prime is 972427. The reversal of 972426 is 624279.

It is a happy number.

It is a super-2 number, since 2×972426² = 1891224650952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 972393 and 972402.

It is not an unprimeable number, because it can be changed into a prime (972427) by changing a digit.

972426 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 23 ways as a sum of consecutive naturals, for example, 7030 + ... + 7166.

It is an arithmetic number, because the mean of its divisors is an integer number (50508).

2⁹⁷²⁴²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 972426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212192).

972426 is an abundant number, since it is smaller than the sum of its proper divisors (1451958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

972426 is a wasteful number, since it uses less digits than its factorization.

972426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 162 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 972426 is about 986.1166259627. The cubic root of 972426 is about 99.0722867628.

The spelling of 972426 in words is "nine hundred seventy-two thousand, four hundred twenty-six".