35440897 has 4 divisors (see below), whose sum is σ = 35453700. Its totient is φ = 35428096.

The previous prime is 35440859. The next prime is 35440913. The reversal of 35440897 is 79804453.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79804453 = 1327 ⋅60139.

It can be written as a sum of positive squares in 2 ways, for example, as 20394256 + 15046641 = 4516^2 + 3879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35440897 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35440997) 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, 328 + ... + 8425.

It is an arithmetic number, because the mean of its divisors is an integer number (8863425).

It is a vampire number, since it can be written as 4049 ⋅ 8753 (with its own digits).

Almost surely, 2^35440897 is an apocalyptic number.

It is an amenable number.

35440897 is a deficient number, since it is larger than the sum of its proper divisors (12803).

35440897 is an equidigital number, since it uses as much as digits as its factorization.

35440897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12802.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 35440897 is about 5953.2257642391. The cubic root of 35440897 is about 328.4744305541.

The spelling of 35440897 in words is "thirty-five million, four hundred forty thousand, eight hundred ninety-seven".