4253990 has 32 divisors (see below), whose sum is σ = 8449056. Its totient is φ = 1532160.

The previous prime is 4253969. The next prime is 4254007. The reversal of 4253990 is 993524.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5210 + ... + 5970.

It is an arithmetic number, because the mean of its divisors is an integer number (264033).

Almost surely, 2^4253990 is an apocalyptic number.

4253990 is a deficient number, since it is larger than the sum of its proper divisors (4195066).

4253990 is a wasteful number, since it uses less digits than its factorization.

4253990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 4253990 is about 2062.5203029304. The cubic root of 4253990 is about 162.0312646055.

The spelling of 4253990 in words is "four million, two hundred fifty-three thousand, nine hundred ninety".