4154949 has 8 divisors (see below), whose sum is σ = 6155520. Its totient is φ = 2769948.

The previous prime is 4154947. The next prime is 4154951. The reversal of 4154949 is 9494514.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4154947) and next prime (4154951).

It is not a de Polignac number, because 4154949 - 2¹ = 4154947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4154947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76917 + ... + 76970.

It is an arithmetic number, because the mean of its divisors is an integer number (769440).

Almost surely, 2^4154949 is an apocalyptic number.

It is an amenable number.

4154949 is a deficient number, since it is larger than the sum of its proper divisors (2000571).

4154949 is a wasteful number, since it uses less digits than its factorization.

4154949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153896 (or 153890 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 4154949 is about 2038.3692011017. The cubic root of 4154949 is about 160.7639120396.

The spelling of 4154949 in words is "four million, one hundred fifty-four thousand, nine hundred forty-nine".