3557461 has 4 divisors (see below), whose sum is σ = 3564000. Its totient is φ = 3550924.

The previous prime is 3557441. The next prime is 3557473. The reversal of 3557461 is 1647553.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3557461 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 (3557431) 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, 2371 + ... + 3568.

It is an arithmetic number, because the mean of its divisors is an integer number (891000).

Almost surely, 2^3557461 is an apocalyptic number.

3557461 is the 844-th centered decagonal number.

It is an amenable number.

3557461 is a deficient number, since it is larger than the sum of its proper divisors (6539).

3557461 is an equidigital number, since it uses as much as digits as its factorization.

3557461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538.

The product of its digits is 12600, while the sum is 31.

The square root of 3557461 is about 1886.1232727476. The cubic root of 3557461 is about 152.6558256722.

The spelling of 3557461 in words is "three million, five hundred fifty-seven thousand, four hundred sixty-one".