3601667 has 4 divisors (see below), whose sum is σ = 3605880. Its totient is φ = 3597456.

The previous prime is 3601627. The next prime is 3601669. The reversal of 3601667 is 7661063.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7661063 = 1567 ⋅4889.

It is a cyclic number.

It is not a de Polignac number, because 3601667 - 2¹² = 3597571 is a prime.

It is a super-4 number, since 4×3601667⁴ (a number of 27 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3601669) 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, 317 + ... + 2702.

It is an arithmetic number, because the mean of its divisors is an integer number (901470).

Almost surely, 2^3601667 is an apocalyptic number.

3601667 is a deficient number, since it is larger than the sum of its proper divisors (4213).

3601667 is a wasteful number, since it uses less digits than its factorization.

3601667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 3601667 is about 1897.8058383301. The cubic root of 3601667 is about 153.2855390843.

The spelling of 3601667 in words is "three million, six hundred one thousand, six hundred sixty-seven".