3463621 has 4 divisors (see below), whose sum is σ = 3958432. Its totient is φ = 2968812.

The previous prime is 3463619. The next prime is 3463627. The reversal of 3463621 is 1263643.

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: 1263643 = 23 ⋅54941.

It is not a de Polignac number, because 3463621 - 2¹ = 3463619 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3463627) 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, 247395 + ... + 247408.

It is an arithmetic number, because the mean of its divisors is an integer number (989608).

Almost surely, 2^3463621 is an apocalyptic number.

It is an amenable number.

3463621 is a deficient number, since it is larger than the sum of its proper divisors (494811).

3463621 is an equidigital number, since it uses as much as digits as its factorization.

3463621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494810.

The product of its digits is 2592, while the sum is 25.

The square root of 3463621 is about 1861.0806000816. The cubic root of 3463621 is about 151.3015770187.

The spelling of 3463621 in words is "three million, four hundred sixty-three thousand, six hundred twenty-one".