3557667 has 4 divisors (see below), whose sum is σ = 4743560. Its totient is φ = 2371776.

The previous prime is 3557647. The next prime is 3557681. The reversal of 3557667 is 7667553.

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

It is not a de Polignac number, because 3557667 - 2¹⁶ = 3492131 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3557647) 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, 592942 + ... + 592947.

It is an arithmetic number, because the mean of its divisors is an integer number (1185890).

Almost surely, 2^3557667 is an apocalyptic number.

3557667 is a deficient number, since it is larger than the sum of its proper divisors (1185893).

3557667 is a wasteful number, since it uses less digits than its factorization.

3557667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185892.

The product of its digits is 132300, while the sum is 39.

The square root of 3557667 is about 1886.1778813251. The cubic root of 3557667 is about 152.6587722018.

It can be divided in two parts, 3557 and 667, that added together give a palindrome (4224).

The spelling of 3557667 in words is "three million, five hundred fifty-seven thousand, six hundred sixty-seven".