36416421 has 6 divisors (see below), whose sum is σ = 52601510. Its totient is φ = 24277608.

The previous prime is 36416417. The next prime is 36416423. The reversal of 36416421 is 12461463.

It can be written as a sum of positive squares in only one way, i.e., 36180225 + 236196 = 6015^2 + 486^2 .

It is not a de Polignac number, because 36416421 - 2² = 36416417 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 (36416423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2023126 + ... + 2023143.

Almost surely, 2^36416421 is an apocalyptic number.

It is an amenable number.

36416421 is a deficient number, since it is larger than the sum of its proper divisors (16185089).

36416421 is a wasteful number, since it uses less digits than its factorization.

36416421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046275 (or 4046272 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 36416421 is about 6034.6019752756. The cubic root of 36416421 is about 331.4609878813.

Adding to 36416421 its reverse (12461463), we get a palindrome (48877884).

The spelling of 36416421 in words is "thirty-six million, four hundred sixteen thousand, four hundred twenty-one".