3801998 has 8 divisors (see below), whose sum is σ = 5753808. Its totient is φ = 1884064.

The previous prime is 3801983. The next prime is 3802003. The reversal of 3801998 is 8991083.

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

It is a Curzon number.

It is a congruent 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, 8186 + ... + 8637.

It is an arithmetic number, because the mean of its divisors is an integer number (719226).

Almost surely, 2^3801998 is an apocalyptic number.

3801998 is a deficient number, since it is larger than the sum of its proper divisors (1951810).

3801998 is a wasteful number, since it uses less digits than its factorization.

3801998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16938.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 3801998 is about 1949.8712778027. The cubic root of 3801998 is about 156.0764199325.

The spelling of 3801998 in words is "three million, eight hundred one thousand, nine hundred ninety-eight".