3980247 has 8 divisors (see below), whose sum is σ = 5407344. Its totient is φ = 2603328.

The previous prime is 3980231. The next prime is 3980281. The reversal of 3980247 is 7420893.

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

It is not a de Polignac number, because 3980247 - 2⁴ = 3980231 is a prime.

3980247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980287) 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, 12358 + ... + 12675.

It is an arithmetic number, because the mean of its divisors is an integer number (675918).

Almost surely, 2^3980247 is an apocalyptic number.

3980247 is a deficient number, since it is larger than the sum of its proper divisors (1427097).

3980247 is a wasteful number, since it uses less digits than its factorization.

3980247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25089.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 3980247 is about 1995.0556383219. The cubic root of 3980247 is about 158.4783744507.

The spelling of 3980247 in words is "three million, nine hundred eighty thousand, two hundred forty-seven".