36621049 has 4 divisors (see below), whose sum is σ = 36750736. Its totient is φ = 36491364.

The previous prime is 36621041. The next prime is 36621119. The reversal of 36621049 is 94012663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94012663 = 43 ⋅2186341.

It is a cyclic number.

It is not a de Polignac number, because 36621049 - 2³ = 36621041 is a prime.

It is a super-2 number, since 2×36621049² = 2682202459720802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36621049.

It is not an unprimeable number, because it can be changed into a prime (36621041) 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, 64419 + ... + 64984.

It is an arithmetic number, because the mean of its divisors is an integer number (9187684).

Almost surely, 2^36621049 is an apocalyptic number.

It is an amenable number.

36621049 is a deficient number, since it is larger than the sum of its proper divisors (129687).

36621049 is a wasteful number, since it uses less digits than its factorization.

36621049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129686.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 36621049 is about 6051.5327810399. The cubic root of 36621049 is about 332.0806676049.

The spelling of 36621049 in words is "thirty-six million, six hundred twenty-one thousand, forty-nine".