3998360 has 32 divisors (see below), whose sum is σ = 9471600. Its totient is φ = 1514880.

The previous prime is 3998353. The next prime is 3998369. The reversal of 3998360 is 638993.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1871 + ... + 3390.

Almost surely, 2^3998360 is an apocalyptic number.

It is an amenable number.

3998360 is an abundant number, since it is smaller than the sum of its proper divisors (5473240).

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

3998360 is a wasteful number, since it uses less digits than its factorization.

3998360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291 (or 5287 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3998360 is about 1999.5899579664. The cubic root of 3998360 is about 158.7184077502.

The spelling of 3998360 in words is "three million, nine hundred ninety-eight thousand, three hundred sixty".