3980451 has 4 divisors (see below), whose sum is σ = 5307272. Its totient is φ = 2653632.

The previous prime is 3980429. The next prime is 3980461. The reversal of 3980451 is 1540893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1540893 = 3 ⋅513631.

It is not a de Polignac number, because 3980451 - 2⁵ = 3980419 is a prime.

It is a D-number.

It is a Duffinian number.

3980451 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3980401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663406 + ... + 663411.

It is an arithmetic number, because the mean of its divisors is an integer number (1326818).

Almost surely, 2^3980451 is an apocalyptic number.

3980451 is a deficient number, since it is larger than the sum of its proper divisors (1326821).

3980451 is a wasteful number, since it uses less digits than its factorization.

3980451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326820.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 3980451 is about 1995.1067640605. The cubic root of 3980451 is about 158.4810819072.

The spelling of 3980451 in words is "three million, nine hundred eighty thousand, four hundred fifty-one".