36403861 has 8 divisors (see below), whose sum is σ = 39572064. Its totient is φ = 33288240.

The previous prime is 36403837. The next prime is 36403891. The reversal of 36403861 is 16830463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36403861 - 2¹³ = 36395669 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 (36403891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11695 + ... + 14476.

It is an arithmetic number, because the mean of its divisors is an integer number (4946508).

Almost surely, 2^36403861 is an apocalyptic number.

It is an amenable number.

36403861 is a deficient number, since it is larger than the sum of its proper divisors (3168203).

36403861 is a wasteful number, since it uses less digits than its factorization.

36403861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26291.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 36403861 is about 6033.5612203739. The cubic root of 36403861 is about 331.4228766061.

The spelling of 36403861 in words is "thirty-six million, four hundred three thousand, eight hundred sixty-one".