4097919 has 24 divisors (see below), whose sum is σ = 6474288. Its totient is φ = 2298240.

The previous prime is 4097917. The next prime is 4097923. The reversal of 4097919 is 9197904.

It is not a de Polignac number, because 4097919 - 2¹ = 4097917 is a prime.

It is a super-2 number, since 2×4097919² = 33585880261122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4097917) 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, 8739 + ... + 9195.

It is an arithmetic number, because the mean of its divisors is an integer number (269762).

Almost surely, 2^4097919 is an apocalyptic number.

4097919 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4097919 is a deficient number, since it is larger than the sum of its proper divisors (2376369).

4097919 is a wasteful number, since it uses less digits than its factorization.

4097919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 4097919 is about 2024.3317415878. The cubic root of 4097919 is about 160.0249830780.

The spelling of 4097919 in words is "four million, ninety-seven thousand, nine hundred nineteen".