3728898 has 24 divisors (see below), whose sum is σ = 8431488. Its totient is φ = 1188792.

The previous prime is 3728891. The next prime is 3728911. The reversal of 3728898 is 8988273.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4090 + ... + 4917.

It is an arithmetic number, because the mean of its divisors is an integer number (351312).

Almost surely, 2^3728898 is an apocalyptic number.

3728898 is an abundant number, since it is smaller than the sum of its proper divisors (4702590).

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

3728898 is a wasteful number, since it uses less digits than its factorization.

3728898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038 (or 9035 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 3728898 is about 1931.0354735219. The cubic root of 3728898 is about 155.0696599826.

The spelling of 3728898 in words is "three million, seven hundred twenty-eight thousand, eight hundred ninety-eight".