36801857 has 4 divisors (see below), whose sum is σ = 36821760. Its totient is φ = 36781956.

The previous prime is 36801847. The next prime is 36801881. The reversal of 36801857 is 75810863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75810863 = 7351 ⋅10313.

It is a cyclic number.

It is not a de Polignac number, because 36801857 - 2¹⁶ = 36736321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36801857.

It is not an unprimeable number, because it can be changed into a prime (36801847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6857 + ... + 10982.

It is an arithmetic number, because the mean of its divisors is an integer number (9205440).

Almost surely, 2^36801857 is an apocalyptic number.

It is an amenable number.

36801857 is a deficient number, since it is larger than the sum of its proper divisors (19903).

36801857 is a wasteful number, since it uses less digits than its factorization.

36801857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19902.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 36801857 is about 6066.4534120028. The cubic root of 36801857 is about 332.6262945711.

The spelling of 36801857 in words is "thirty-six million, eight hundred one thousand, eight hundred fifty-seven".