36351649 has 8 divisors (see below), whose sum is σ = 37436840. Its totient is φ = 35271936.

The previous prime is 36351647. The next prime is 36351671. The reversal of 36351649 is 94615363.

It can be written as a sum of positive squares in 4 ways, for example, as 435600 + 35916049 = 660^2 + 5993^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36351649 - 2¹ = 36351647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36351643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14887 + ... + 17155.

It is an arithmetic number, because the mean of its divisors is an integer number (4679605).

Almost surely, 2^36351649 is an apocalyptic number.

It is an amenable number.

36351649 is a deficient number, since it is larger than the sum of its proper divisors (1085191).

36351649 is a wasteful number, since it uses less digits than its factorization.

36351649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739.

The product of its digits is 58320, while the sum is 37.

The square root of 36351649 is about 6029.2328699429. The cubic root of 36351649 is about 331.2643537627.

It can be divided in two parts, 36 and 351649, that multiplied together give a square (12659364 = 3558²).

The spelling of 36351649 in words is "thirty-six million, three hundred fifty-one thousand, six hundred forty-nine".