7980434 has 36 divisors (see below), whose sum is σ = 15328782. Its totient is φ = 3104640.

The previous prime is 7980431. The next prime is 7980439. The reversal of 7980434 is 4340897.

It can be written as a sum of positive squares in only one way, i.e., 7263025 + 717409 = 2695^2 + 847^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7980394 and 7980403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7980431) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11522 + ... + 12194.

Almost surely, 2^7980434 is an apocalyptic number.

7980434 is a deficient number, since it is larger than the sum of its proper divisors (7348348).

7980434 is a wasteful number, since it uses less digits than its factorization.

7980434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 7980434 is about 2824.9661944880. The cubic root of 7980434 is about 199.8368168926.

The spelling of 7980434 in words is "seven million, nine hundred eighty thousand, four hundred thirty-four".