33861541 has 16 divisors (see below), whose sum is σ = 39844224. Its totient is φ = 28177344.

The previous prime is 33861539. The next prime is 33861557. The reversal of 33861541 is 14516833.

It is not a de Polignac number, because 33861541 - 2¹ = 33861539 is a prime.

It is a super-2 number, since 2×33861541² = 2293207917789362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33861521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39271 + ... + 40123.

It is an arithmetic number, because the mean of its divisors is an integer number (2490264).

Almost surely, 2^33861541 is an apocalyptic number.

It is an amenable number.

33861541 is a deficient number, since it is larger than the sum of its proper divisors (5982683).

33861541 is a wasteful number, since it uses less digits than its factorization.

33861541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020.

The product of its digits is 8640, while the sum is 31.

The square root of 33861541 is about 5819.0670214391. The cubic root of 33861541 is about 323.5208235821.

The spelling of 33861541 in words is "thirty-three million, eight hundred sixty-one thousand, five hundred forty-one".