3902898 has 8 divisors (see below), whose sum is σ = 7805808. Its totient is φ = 1300964.

The previous prime is 3902887. The next prime is 3902929. The reversal of 3902898 is 8982093.

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

3902898 is an admirable number.

It is a super-2 number, since 2×3902898² = 30465225596808, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325236 + ... + 325247.

It is an arithmetic number, because the mean of its divisors is an integer number (975726).

Almost surely, 2^3902898 is an apocalyptic number.

3902898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3902898 is a wasteful number, since it uses less digits than its factorization.

3902898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650488.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 3902898 is about 1975.5753592308. The cubic root of 3902898 is about 157.4450702881.

The spelling of 3902898 in words is "three million, nine hundred two thousand, eight hundred ninety-eight".