36433987 has 2 divisors, whose sum is σ = 36433988. Its totient is φ = 36433986.

The previous prime is 36433979. The next prime is 36434017. The reversal of 36433987 is 78933463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36433987 - 2³ = 36433979 is a prime.

It is not a weakly prime, because it can be changed into another prime (36433967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18216993 + 18216994.

It is an arithmetic number, because the mean of its divisors is an integer number (18216994).

Almost surely, 2^36433987 is an apocalyptic number.

36433987 is a deficient number, since it is larger than the sum of its proper divisors (1).

36433987 is an equidigital number, since it uses as much as digits as its factorization.

36433987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 43.

The square root of 36433987 is about 6036.0572396226. The cubic root of 36433987 is about 331.5142743532.

The spelling of 36433987 in words is "thirty-six million, four hundred thirty-three thousand, nine hundred eighty-seven".