3980739 has 8 divisors (see below), whose sum is σ = 6065920. Its totient is φ = 2274696.

The previous prime is 3980729. The next prime is 3980749. The reversal of 3980739 is 9370893.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3980729) and next prime (3980749).

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

It is not a de Polignac number, because 3980739 - 2⁷ = 3980611 is a prime.

It is a super-2 number, since 2×3980739² = 31692565972242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3980697 and 3980706.

It is not an unprimeable number, because it can be changed into a prime (3980729) 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, 94759 + ... + 94800.

It is an arithmetic number, because the mean of its divisors is an integer number (758240).

Almost surely, 2^3980739 is an apocalyptic number.

3980739 is a deficient number, since it is larger than the sum of its proper divisors (2085181).

3980739 is a wasteful number, since it uses less digits than its factorization.

3980739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189569.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 3980739 is about 1995.1789393435. The cubic root of 3980739 is about 158.4849040411.

The spelling of 3980739 in words is "three million, nine hundred eighty thousand, seven hundred thirty-nine".