3698907 has 8 divisors (see below), whose sum is σ = 4944384. Its totient is φ = 2459688.

The previous prime is 3698881. The next prime is 3698909. The reversal of 3698907 is 7098963.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3698907 - 2¹⁵ = 3666139 is a prime.

It is an Ulam number.

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

3698907 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3698909) 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, 58 + ... + 2720.

It is an arithmetic number, because the mean of its divisors is an integer number (618048).

Almost surely, 2^3698907 is an apocalyptic number.

3698907 is a deficient number, since it is larger than the sum of its proper divisors (1245477).

3698907 is a wasteful number, since it uses less digits than its factorization.

3698907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 3698907 is about 1923.2542733606. The cubic root of 3698907 is about 154.6528059525.

The spelling of 3698907 in words is "three million, six hundred ninety-eight thousand, nine hundred seven".