3980929 has 4 divisors (see below), whose sum is σ = 4028976. Its totient is φ = 3932884.

The previous prime is 3980891. The next prime is 3980957. The reversal of 3980929 is 9290893.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3980929 - 2¹³ = 3972737 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3980891 and 3980900.

It is not an unprimeable number, because it can be changed into a prime (3980429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23899 + ... + 24064.

It is an arithmetic number, because the mean of its divisors is an integer number (1007244).

Almost surely, 2^3980929 is an apocalyptic number.

It is an amenable number.

3980929 is a deficient number, since it is larger than the sum of its proper divisors (48047).

3980929 is an equidigital number, since it uses as much as digits as its factorization.

3980929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48046.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 3980929 is about 1995.2265535523. The cubic root of 3980929 is about 158.4874254869.

The spelling of 3980929 in words is "three million, nine hundred eighty thousand, nine hundred twenty-nine".