4394576 has 10 divisors (see below), whose sum is σ = 8514522. Its totient is φ = 2197280.

The previous prime is 4394563. The next prime is 4394603. The reversal of 4394576 is 6754934.

It can be written as a sum of positive squares in only one way, i.e., 3904576 + 490000 = 1976^2 + 700^2 .

It is a d-powerful number, because it can be written as 4⁷ + 3¹⁰ + 9 + 4¹¹ + 5⁷ + 7² + 6⁶ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137315 + ... + 137346.

Almost surely, 2^4394576 is an apocalyptic number.

It is an amenable number.

4394576 is a deficient number, since it is larger than the sum of its proper divisors (4119946).

4394576 is a wasteful number, since it uses less digits than its factorization.

4394576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274669 (or 274663 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 4394576 is about 2096.3244023767. The cubic root of 4394576 is about 163.7968931216.

It can be divided in two parts, 43945 and 76, that multiplied together give a triangular number (3339820 = T₂₅₈₄).

The spelling of 4394576 in words is "four million, three hundred ninety-four thousand, five hundred seventy-six".