977434 has 4 divisors (see below), whose sum is σ = 1466154. Its totient is φ = 488716.

The previous prime is 977413. The next prime is 977437. The reversal of 977434 is 434779.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434779 = 197 ⋅2207.

It can be written as a sum of positive squares in only one way, i.e., 635209 + 342225 = 797^2 + 585^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 977434.

It is not an unprimeable number, because it can be changed into a prime (977437) 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 as a sum of consecutive naturals, namely, 244357 + ... + 244360.

2⁹⁷⁷⁴³⁴ is an apocalyptic number.

977434 is a deficient number, since it is larger than the sum of its proper divisors (488720).

977434 is a wasteful number, since it uses less digits than its factorization.

977434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488719.

The product of its digits is 21168, while the sum is 34.

The square root of 977434 is about 988.6526184662. The cubic root of 977434 is about 99.2420699334.

The spelling of 977434 in words is "nine hundred seventy-seven thousand, four hundred thirty-four".