3463991 has 4 divisors (see below), whose sum is σ = 3474000. Its totient is φ = 3453984.

The previous prime is 3463981. The next prime is 3464003. The reversal of 3463991 is 1993643.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3463991 - 2⁶ = 3463927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3463981) 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, 4466 + ... + 5183.

It is an arithmetic number, because the mean of its divisors is an integer number (868500).

Almost surely, 2^3463991 is an apocalyptic number.

3463991 is a deficient number, since it is larger than the sum of its proper divisors (10009).

3463991 is an equidigital number, since it uses as much as digits as its factorization.

3463991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10008.

The product of its digits is 17496, while the sum is 35.

The square root of 3463991 is about 1861.1800020417. The cubic root of 3463991 is about 151.3069644048.

The spelling of 3463991 in words is "three million, four hundred sixty-three thousand, nine hundred ninety-one".