3430621 has 8 divisors (see below), whose sum is σ = 3648320. Its totient is φ = 3216672.

The previous prime is 3430619. The next prime is 3430631. The reversal of 3430621 is 1260343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3430621 - 2¹ = 3430619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3430631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081 + ... + 2833.

It is an arithmetic number, because the mean of its divisors is an integer number (456040).

Almost surely, 2^3430621 is an apocalyptic number.

It is an amenable number.

3430621 is a deficient number, since it is larger than the sum of its proper divisors (217699).

3430621 is a wasteful number, since it uses less digits than its factorization.

3430621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3430621 is about 1852.1935643987. The cubic root of 3430621 is about 150.8195291404.

Adding to 3430621 its reverse (1260343), we get a palindrome (4690964).

The spelling of 3430621 in words is "three million, four hundred thirty thousand, six hundred twenty-one".