35809445 has 12 divisors (see below), whose sum is σ = 49987404. Its totient is φ = 24554880.

The previous prime is 35809439. The next prime is 35809457. The reversal of 35809445 is 54490853.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19945156 + 15864289 = 4466^2 + 3983^2 .

It is not a de Polignac number, because 35809445 - 2⁶ = 35809381 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 35809399 and 35809408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72836 + ... + 73325.

It is an arithmetic number, because the mean of its divisors is an integer number (4165617).

Almost surely, 2^35809445 is an apocalyptic number.

35809445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

35809445 is a deficient number, since it is larger than the sum of its proper divisors (14177959).

35809445 is a wasteful number, since it uses less digits than its factorization.

35809445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146180 (or 146173 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 35809445 is about 5984.0993474373. The cubic root of 35809445 is about 329.6091025004.

The spelling of 35809445 in words is "thirty-five million, eight hundred nine thousand, four hundred forty-five".