36434391 has 12 divisors (see below), whose sum is σ = 56510712. Its totient is φ = 20819568.

The previous prime is 36434389. The next prime is 36434401. The reversal of 36434391 is 19343463.

It is not a de Polignac number, because 36434391 - 2¹ = 36434389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36434291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123780 + ... + 124073.

It is an arithmetic number, because the mean of its divisors is an integer number (4709226).

Almost surely, 2^36434391 is an apocalyptic number.

36434391 is a deficient number, since it is larger than the sum of its proper divisors (20076321).

36434391 is a wasteful number, since it uses less digits than its factorization.

36434391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247870 (or 247863 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 36434391 is about 6036.0907050839. The cubic root of 36434391 is about 331.5154996859.

The spelling of 36434391 in words is "thirty-six million, four hundred thirty-four thousand, three hundred ninety-one".