4623445 has 8 divisors (see below), whose sum is σ = 5567544. Its totient is φ = 3685824.

The previous prime is 4623431. The next prime is 4623457. The reversal of 4623445 is 5443264.

It can be written as a sum of positive squares in 4 ways, for example, as 777924 + 3845521 = 882^2 + 1961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4623445 - 2⁵ = 4623413 is a prime.

It is a Duffinian number.

4623445 is a lucky number.

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, 127 + ... + 3043.

It is an arithmetic number, because the mean of its divisors is an integer number (695943).

Almost surely, 2^4623445 is an apocalyptic number.

It is an amenable number.

4623445 is a deficient number, since it is larger than the sum of its proper divisors (944099).

4623445 is a wasteful number, since it uses less digits than its factorization.

4623445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239.

The product of its digits is 11520, while the sum is 28.

The square root of 4623445 is about 2150.2197562110. The cubic root of 4623445 is about 166.5924180389.

The spelling of 4623445 in words is "four million, six hundred twenty-three thousand, four hundred forty-five".