4047980 has 24 divisors (see below), whose sum is σ = 8776320. Its totient is φ = 1566720.

The previous prime is 4047973. The next prime is 4047983. The reversal of 4047980 is 897404.

4047980 = T₁₉₁ + T₁₉₂ + ... + T₃₁₄.

It is a happy number.

It is a super-2 number, since 2×4047980² = 32772284160800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4047983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (365680).

Almost surely, 2^4047980 is an apocalyptic number.

It is an amenable number.

4047980 is an abundant number, since it is smaller than the sum of its proper divisors (4728340).

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

4047980 is a wasteful number, since it uses less digits than its factorization.

4047980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569 (or 6567 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4047980 is about 2011.9592441200. The cubic root of 4047980 is about 159.3722801022.

The spelling of 4047980 in words is "four million, forty-seven thousand, nine hundred eighty".