3459981 has 32 divisors (see below), whose sum is σ = 5579008. Its totient is φ = 1866240.

The previous prime is 3459977. The next prime is 3459997. The reversal of 3459981 is 1899543.

It is not a de Polignac number, because 3459981 - 2² = 3459977 is a prime.

It is a super-2 number, since 2×3459981² = 23942937040722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3459971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47361 + ... + 47433.

It is an arithmetic number, because the mean of its divisors is an integer number (174344).

Almost surely, 2^3459981 is an apocalyptic number.

It is an amenable number.

3459981 is a deficient number, since it is larger than the sum of its proper divisors (2119027).

3459981 is a wasteful number, since it uses less digits than its factorization.

3459981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181.

The product of its digits is 38880, while the sum is 39.

The square root of 3459981 is about 1860.1024165352. The cubic root of 3459981 is about 151.2485563234.

The spelling of 3459981 in words is "three million, four hundred fifty-nine thousand, nine hundred eighty-one".