3980456 has 8 divisors (see below), whose sum is σ = 7463370. Its totient is φ = 1990224.

The previous prime is 3980429. The next prime is 3980461. The reversal of 3980456 is 6540893.

3980456 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in only one way, i.e., 3740356 + 240100 = 1934^2 + 490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248771 + ... + 248786.

Almost surely, 2^3980456 is an apocalyptic number.

It is an amenable number.

3980456 is a deficient number, since it is larger than the sum of its proper divisors (3482914).

3980456 is a wasteful number, since it uses less digits than its factorization.

3980456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497563 (or 497559 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3980456 is about 1995.1080171259. The cubic root of 3980456 is about 158.4811482652.

The spelling of 3980456 in words is "three million, nine hundred eighty thousand, four hundred fifty-six".