36387397 has 4 divisors (see below), whose sum is σ = 37561216. Its totient is φ = 35213580.

The previous prime is 36387367. The next prime is 36387427. The reversal of 36387397 is 79378363.

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: 79378363 = 6689 ⋅11867.

It is an interprime number because it is at equal distance from previous prime (36387367) and next prime (36387427).

It is a cyclic number.

It is not a de Polignac number, because 36387397 - 2¹⁹ = 35863109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36387347) 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, 586863 + ... + 586924.

It is an arithmetic number, because the mean of its divisors is an integer number (9390304).

Almost surely, 2^36387397 is an apocalyptic number.

It is an amenable number.

36387397 is a deficient number, since it is larger than the sum of its proper divisors (1173819).

36387397 is a wasteful number, since it uses less digits than its factorization.

36387397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173818.

The product of its digits is 571536, while the sum is 46.

The square root of 36387397 is about 6032.1966977213. The cubic root of 36387397 is about 331.3729059996.

The spelling of 36387397 in words is "thirty-six million, three hundred eighty-seven thousand, three hundred ninety-seven".