3654967 has 4 divisors (see below), whose sum is σ = 3668256. Its totient is φ = 3641680.

The previous prime is 3654961. The next prime is 3654997. The reversal of 3654967 is 7694563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7694563 = 19 ⋅404977.

It is a cyclic number.

It is not a de Polignac number, because 3654967 - 2¹⁹ = 3130679 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654961) 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, 6223 + ... + 6784.

It is an arithmetic number, because the mean of its divisors is an integer number (917064).

Almost surely, 2^3654967 is an apocalyptic number.

3654967 is a deficient number, since it is larger than the sum of its proper divisors (13289).

3654967 is a wasteful number, since it uses less digits than its factorization.

3654967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13288.

The product of its digits is 136080, while the sum is 40.

The square root of 3654967 is about 1911.7967988256. The cubic root of 3654967 is about 154.0379818611.

The spelling of 3654967 in words is "three million, six hundred fifty-four thousand, nine hundred sixty-seven".