3395621 has 4 divisors (see below), whose sum is σ = 3411072. Its totient is φ = 3380172.

The previous prime is 3395603. The next prime is 3395629. The reversal of 3395621 is 1265933.

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: 1265933 = 61 ⋅20753.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3395621 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 (3395629) 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, 7391 + ... + 7836.

It is an arithmetic number, because the mean of its divisors is an integer number (852768).

Almost surely, 2^3395621 is an apocalyptic number.

It is an amenable number.

3395621 is a deficient number, since it is larger than the sum of its proper divisors (15451).

3395621 is a wasteful number, since it uses less digits than its factorization.

3395621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15450.

The product of its digits is 4860, while the sum is 29.

The square root of 3395621 is about 1842.7210857859. The cubic root of 3395621 is about 150.3048762131.

The spelling of 3395621 in words is "three million, three hundred ninety-five thousand, six hundred twenty-one".