3468981 has 4 divisors (see below), whose sum is σ = 4625312. Its totient is φ = 2312652.

The previous prime is 3468961. The next prime is 3468991. The reversal of 3468981 is 1898643.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1898643 = 3 ⋅632881.

It is not a de Polignac number, because 3468981 - 2¹¹ = 3466933 is a prime.

It is a super-2 number, since 2×3468981² = 24067658356722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3468911) 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, 578161 + ... + 578166.

It is an arithmetic number, because the mean of its divisors is an integer number (1156328).

Almost surely, 2^3468981 is an apocalyptic number.

It is an amenable number.

3468981 is a deficient number, since it is larger than the sum of its proper divisors (1156331).

3468981 is a wasteful number, since it uses less digits than its factorization.

3468981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156330.

The product of its digits is 41472, while the sum is 39.

The square root of 3468981 is about 1862.5200670060. The cubic root of 3468981 is about 151.3795838676.

The spelling of 3468981 in words is "three million, four hundred sixty-eight thousand, nine hundred eighty-one".