4393290 has 32 divisors (see below), whose sum is σ = 11503296. Its totient is φ = 1064960.

The previous prime is 4393283. The next prime is 4393309. The reversal of 4393290 is 923934.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 6327 + ... + 6986.

It is an arithmetic number, because the mean of its divisors is an integer number (359478).

Almost surely, 2^4393290 is an apocalyptic number.

4393290 is an abundant number, since it is smaller than the sum of its proper divisors (7110006).

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

4393290 is a wasteful number, since it uses less digits than its factorization.

4393290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 4393290 is about 2096.0176525974. The cubic root of 4393290 is about 163.7809140787.

The spelling of 4393290 in words is "four million, three hundred ninety-three thousand, two hundred ninety".