36969146 has 4 divisors (see below), whose sum is σ = 55453722. Its totient is φ = 18484572.

The previous prime is 36969137. The next prime is 36969157. The reversal of 36969146 is 64196963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64196963 = 4231 ⋅15173.

It can be written as a sum of positive squares in only one way, i.e., 22231225 + 14737921 = 4715^2 + 3839^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36969097 and 36969106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9242285 + ... + 9242288.

Almost surely, 2^36969146 is an apocalyptic number.

36969146 is a deficient number, since it is larger than the sum of its proper divisors (18484576).

36969146 is a wasteful number, since it uses less digits than its factorization.

36969146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18484575.

The product of its digits is 209952, while the sum is 44.

The square root of 36969146 is about 6080.2258181748. The cubic root of 36969146 is about 333.1295356471.

The spelling of 36969146 in words is "thirty-six million, nine hundred sixty-nine thousand, one hundred forty-six".