4923390 has 16 divisors (see below), whose sum is σ = 11816208. Its totient is φ = 1312896.

The previous prime is 4923383. The next prime is 4923397. The reversal of 4923390 is 933294.

It is an interprime number because it is at equal distance from previous prime (4923383) and next prime (4923397).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 164113 = 4923390 / (4 + 9 + 2 + 3 + 3 + 9 + 0).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4923397) 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, 82027 + ... + 82086.

It is an arithmetic number, because the mean of its divisors is an integer number (738513).

Almost surely, 2^4923390 is an apocalyptic number.

4923390 is an abundant number, since it is smaller than the sum of its proper divisors (6892818).

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

4923390 is a wasteful number, since it uses less digits than its factorization.

4923390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164123.

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

The square root of 4923390 is about 2218.8713347105. The cubic root of 4923390 is about 170.1197541447.

The spelling of 4923390 in words is "four million, nine hundred twenty-three thousand, three hundred ninety".