3678761 has 4 divisors (see below), whose sum is σ = 3872400. Its totient is φ = 3485124.

The previous prime is 3678751. The next prime is 3678791. The reversal of 3678761 is 1678763.

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: 1678763 = 43 ⋅39041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3678761 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3678751) 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, 96791 + ... + 96828.

It is an arithmetic number, because the mean of its divisors is an integer number (968100).

Almost surely, 2^3678761 is an apocalyptic number.

It is an amenable number.

3678761 is a deficient number, since it is larger than the sum of its proper divisors (193639).

3678761 is a wasteful number, since it uses less digits than its factorization.

3678761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193638.

The product of its digits is 42336, while the sum is 38.

The square root of 3678761 is about 1918.0096454398. The cubic root of 3678761 is about 154.3715238499.

The spelling of 3678761 in words is "three million, six hundred seventy-eight thousand, seven hundred sixty-one".