977442 has 8 divisors (see below), whose sum is σ = 1954896. Its totient is φ = 325812.

The previous prime is 977437. The next prime is 977447. The reversal of 977442 is 244779.

977442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (977437) and next prime (977447).

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

977442 is an admirable number.

It is a super-3 number, since 3×977442³ = 2801523333456704664, which contains 333 as substring.

It is a nialpdrome in base 10 and base 16.

It is not an unprimeable number, because it can be changed into a prime (977447) by changing a digit.

977442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81448 + ... + 81459.

It is an arithmetic number, because the mean of its divisors is an integer number (244362).

2⁹⁷⁷⁴⁴² is an apocalyptic number.

977442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

977442 is a wasteful number, since it uses less digits than its factorization.

977442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162912.

The product of its digits is 14112, while the sum is 33.

The square root of 977442 is about 988.6566643684. The cubic root of 977442 is about 99.2423406881.

Adding to 977442 its reverse (244779), we get a palindrome (1222221).

The spelling of 977442 in words is "nine hundred seventy-seven thousand, four hundred forty-two".