3997230 has 16 divisors (see below), whose sum is σ = 9593424. Its totient is φ = 1065920.

The previous prime is 3997211. The next prime is 3997241. The reversal of 3997230 is 327993.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3997191 and 3997200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66591 + ... + 66650.

It is an arithmetic number, because the mean of its divisors is an integer number (599589).

Almost surely, 2^3997230 is an apocalyptic number.

3997230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3997230 is an abundant number, since it is smaller than the sum of its proper divisors (5596194).

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

3997230 is a wasteful number, since it uses less digits than its factorization.

3997230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133251.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 3997230 is about 1999.3073800694. The cubic root of 3997230 is about 158.7034542276.

The spelling of 3997230 in words is "three million, nine hundred ninety-seven thousand, two hundred thirty".