3448987 has 4 divisors (see below), whose sum is σ = 3529240. Its totient is φ = 3368736.

The previous prime is 3448981. The next prime is 3448993. The reversal of 3448987 is 7898443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7898443 = 7 ⋅1128349.

It is an interprime number because it is at equal distance from previous prime (3448981) and next prime (3448993).

It is a cyclic number.

It is not a de Polignac number, because 3448987 - 2⁷ = 3448859 is a prime.

It is a super-2 number, since 2×3448987² = 23791022652338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 80209 = 3448987 / (3 + 4 + 4 + 8 + 9 + 8 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3448981) 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, 40062 + ... + 40147.

It is an arithmetic number, because the mean of its divisors is an integer number (882310).

Almost surely, 2^3448987 is an apocalyptic number.

3448987 is a deficient number, since it is larger than the sum of its proper divisors (80253).

3448987 is an equidigital number, since it uses as much as digits as its factorization.

3448987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80252.

The product of its digits is 193536, while the sum is 43.

The square root of 3448987 is about 1857.1448516473. The cubic root of 3448987 is about 151.0881902270.

The spelling of 3448987 in words is "three million, four hundred forty-eight thousand, nine hundred eighty-seven".