3698811 has 8 divisors (see below), whose sum is σ = 5479760. Its totient is φ = 2465856.

The previous prime is 3698801. The next prime is 3698819. The reversal of 3698811 is 1188963.

It is not a de Polignac number, because 3698811 - 2⁷ = 3698683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3698819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68470 + ... + 68523.

It is an arithmetic number, because the mean of its divisors is an integer number (684970).

Almost surely, 2^3698811 is an apocalyptic number.

3698811 is a deficient number, since it is larger than the sum of its proper divisors (1780949).

3698811 is a wasteful number, since it uses less digits than its factorization.

3698811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137002 (or 136996 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 3698811 is about 1923.2293155004. The cubic root of 3698811 is about 154.6514680079.

It can be divided in two parts, 369 and 8811, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 3698811 in words is "three million, six hundred ninety-eight thousand, eight hundred eleven".