36909998 has 4 divisors (see below), whose sum is σ = 55365000. Its totient is φ = 18454998.

The previous prime is 36909967. The next prime is 36910001. The reversal of 36909998 is 89990963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89990963 = 139 ⋅647417.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9227498 + ... + 9227501.

It is an arithmetic number, because the mean of its divisors is an integer number (13841250).

Almost surely, 2^36909998 is an apocalyptic number.

36909998 is a deficient number, since it is larger than the sum of its proper divisors (18455002).

36909998 is a wasteful number, since it uses less digits than its factorization.

36909998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18455001.

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 36909998 is about 6075.3599070343. The cubic root of 36909998 is about 332.9517796392.

The spelling of 36909998 in words is "thirty-six million, nine hundred nine thousand, nine hundred ninety-eight".