4921449 has 24 divisors (see below), whose sum is σ = 7536672. Its totient is φ = 2845440.

The previous prime is 4921447. The next prime is 4921453. The reversal of 4921449 is 9441294.

It is not a de Polignac number, because 4921449 - 2¹ = 4921447 is a prime.

4921449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4921447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8334 + ... + 8904.

It is an arithmetic number, because the mean of its divisors is an integer number (314028).

Almost surely, 2^4921449 is an apocalyptic number.

It is an amenable number.

4921449 is a deficient number, since it is larger than the sum of its proper divisors (2615223).

4921449 is a wasteful number, since it uses less digits than its factorization.

4921449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 604 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 4921449 is about 2218.4339070615. The cubic root of 4921449 is about 170.0973951708.

The spelling of 4921449 in words is "four million, nine hundred twenty-one thousand, four hundred forty-nine".