4899945 has 8 divisors (see below), whose sum is σ = 7839936. Its totient is φ = 2613296.

The previous prime is 4899941. The next prime is 4899971. The reversal of 4899945 is 5499984.

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 4899945 - 2² = 4899941 is a prime.

It is a super-2 number, since 2×4899945² = 48018922006050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4899894 and 4899903.

It is not an unprimeable number, because it can be changed into a prime (4899941) 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, 163317 + ... + 163346.

It is an arithmetic number, because the mean of its divisors is an integer number (979992).

Almost surely, 2^4899945 is an apocalyptic number.

It is an amenable number.

4899945 is a deficient number, since it is larger than the sum of its proper divisors (2939991).

4899945 is a wasteful number, since it uses less digits than its factorization.

4899945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326671.

The product of its digits is 466560, while the sum is 48.

The square root of 4899945 is about 2213.5819388493. The cubic root of 4899945 is about 169.8492897289.

The spelling of 4899945 in words is "four million, eight hundred ninety-nine thousand, nine hundred forty-five".