4490930393 has 4 divisors (see below), whose sum is σ = 4494695988. Its totient is φ = 4487164800.

The previous prime is 4490930387. The next prime is 4490930447. The reversal of 4490930393 is 3930390944.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2872638409 + 1618291984 = 53597^2 + 40228^2 .

It is a cyclic number.

It is not a de Polignac number, because 4490930393 - 2⁶ = 4490930329 is a prime.

It is a super-2 number, since 2×4490930393² = 40336911589542268898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4490930303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1881008 + ... + 1883393.

It is an arithmetic number, because the mean of its divisors is an integer number (1123673997).

Almost surely, 2^4490930393 is an apocalyptic number.

It is an amenable number.

4490930393 is a deficient number, since it is larger than the sum of its proper divisors (3765595).

4490930393 is a wasteful number, since it uses less digits than its factorization.

4490930393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765594.

The product of its (nonzero) digits is 314928, while the sum is 44.

The square root of 4490930393 is about 67014.4043695085. The cubic root of 4490930393 is about 1649.8537235493.

The spelling of 4490930393 in words is "four billion, four hundred ninety million, nine hundred thirty thousand, three hundred ninety-three".