3693761 has 2 divisors, whose sum is σ = 3693762. Its totient is φ = 3693760.

The previous prime is 3693737. The next prime is 3693763. The reversal of 3693761 is 1673963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2146225 + 1547536 = 1465^2 + 1244^2 .

It is a cyclic number.

It is not a de Polignac number, because 3693761 - 2¹⁰ = 3692737 is a prime.

Together with 3693763, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3693763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1846880 + 1846881.

It is an arithmetic number, because the mean of its divisors is an integer number (1846881).

Almost surely, 2^3693761 is an apocalyptic number.

It is an amenable number.

3693761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3693761 is an equidigital number, since it uses as much as digits as its factorization.

3693761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 35.

The square root of 3693761 is about 1921.9159711080. The cubic root of 3693761 is about 154.5810538836.

Adding to 3693761 its product of digits (20412), we get a palindrome (3714173).

The spelling of 3693761 in words is "three million, six hundred ninety-three thousand, seven hundred sixty-one".