3698961 has 12 divisors (see below), whose sum is σ = 5737392. Its totient is φ = 2113608.

The previous prime is 3698957. The next prime is 3698963. The reversal of 3698961 is 1698963.

It is not a de Polignac number, because 3698961 - 2² = 3698957 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (3698963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12435 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (478116).

Almost surely, 2^3698961 is an apocalyptic number.

It is an amenable number.

3698961 is a deficient number, since it is larger than the sum of its proper divisors (2038431).

3698961 is a wasteful number, since it uses less digits than its factorization.

3698961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25180 (or 25173 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 3698961 is about 1923.2683120147. The cubic root of 3698961 is about 154.6535585362.

The spelling of 3698961 in words is "three million, six hundred ninety-eight thousand, nine hundred sixty-one".