3906698 has 4 divisors (see below), whose sum is σ = 5860050. Its totient is φ = 1953348.

The previous prime is 3906697. The next prime is 3906701. The reversal of 3906698 is 8966093.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3179089 + 727609 = 1783^2 + 853^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3906691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976673 + ... + 976676.

Almost surely, 2^3906698 is an apocalyptic number.

3906698 is a deficient number, since it is larger than the sum of its proper divisors (1953352).

3906698 is a wasteful number, since it uses less digits than its factorization.

3906698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953351.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 3906698 is about 1976.5368703872. The cubic root of 3906698 is about 157.4961517494.

The spelling of 3906698 in words is "three million, nine hundred six thousand, six hundred ninety-eight".