3904998 has 8 divisors (see below), whose sum is σ = 7810008. Its totient is φ = 1301664.

The previous prime is 3904997. The next prime is 3905003. The reversal of 3904998 is 8994093.

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

3904998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325411 + ... + 325422.

It is an arithmetic number, because the mean of its divisors is an integer number (976251).

Almost surely, 2^3904998 is an apocalyptic number.

3904998 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.

3904998 is a wasteful number, since it uses less digits than its factorization.

3904998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650838.

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

The square root of 3904998 is about 1976.1067784915. The cubic root of 3904998 is about 157.4733036133.

The spelling of 3904998 in words is "three million, nine hundred four thousand, nine hundred ninety-eight".