35355981 has 16 divisors (see below), whose sum is σ = 48545280. Its totient is φ = 22874880.

The previous prime is 35355949. The next prime is 35356033. The reversal of 35355981 is 18955353.

It is a happy number.

It is not a de Polignac number, because 35355981 - 2⁵ = 35355949 is a prime.

It is a super-2 number, since 2×35355981² = 2500090784944722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35355781) 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, 26785 + ... + 28073.

It is an arithmetic number, because the mean of its divisors is an integer number (3034080).

Almost surely, 2^35355981 is an apocalyptic number.

It is an amenable number.

35355981 is a deficient number, since it is larger than the sum of its proper divisors (13189299).

35355981 is a wasteful number, since it uses less digits than its factorization.

35355981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556.

The product of its digits is 81000, while the sum is 39.

The square root of 35355981 is about 5946.0895553296. The cubic root of 35355981 is about 328.2118803772.

The spelling of 35355981 in words is "thirty-five million, three hundred fifty-five thousand, nine hundred eighty-one".