4149797 has 4 divisors (see below), whose sum is σ = 4160076. Its totient is φ = 4139520.

The previous prime is 4149793. The next prime is 4149811. The reversal of 4149797 is 7979414.

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 516961 + 3632836 = 719^2 + 1906^2 .

It is a cyclic number.

It is not a de Polignac number, because 4149797 - 2² = 4149793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4149793) 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, 4508 + ... + 5349.

It is an arithmetic number, because the mean of its divisors is an integer number (1040019).

Almost surely, 2^4149797 is an apocalyptic number.

It is an amenable number.

4149797 is a deficient number, since it is larger than the sum of its proper divisors (10279).

4149797 is an equidigital number, since it uses as much as digits as its factorization.

4149797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10278.

The product of its digits is 63504, while the sum is 41.

The square root of 4149797 is about 2037.1050537466. The cubic root of 4149797 is about 160.6974372367.

The spelling of 4149797 in words is "four million, one hundred forty-nine thousand, seven hundred ninety-seven".