3949898 has 8 divisors (see below), whose sum is σ = 6085092. Its totient is φ = 1921536.

The previous prime is 3949889. The next prime is 3949903. The reversal of 3949898 is 8989493.

It can be written as a sum of positive squares in 2 ways, for example, as 2679769 + 1270129 = 1637^2 + 1127^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26615 + ... + 26762.

Almost surely, 2^3949898 is an apocalyptic number.

3949898 is a deficient number, since it is larger than the sum of its proper divisors (2135194).

3949898 is a wasteful number, since it uses less digits than its factorization.

3949898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53416.

The product of its digits is 559872, while the sum is 50.

The square root of 3949898 is about 1987.4350303846. The cubic root of 3949898 is about 158.0745522229.

The spelling of 3949898 in words is "three million, nine hundred forty-nine thousand, eight hundred ninety-eight".