35997946 has 4 divisors (see below), whose sum is σ = 53996922. Its totient is φ = 17998972.

The previous prime is 35997943. The next prime is 35998021. The reversal of 35997946 is 64979953.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64979953 = 83 ⋅782891.

It can be written as a sum of positive squares in only one way, i.e., 23145721 + 12852225 = 4811^2 + 3585^2 .

It is a junction number, because it is equal to n+sod(n) for n = 35997893 and 35997902.

It is not an unprimeable number, because it can be changed into a prime (35997943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8999485 + ... + 8999488.

Almost surely, 2^35997946 is an apocalyptic number.

35997946 is a deficient number, since it is larger than the sum of its proper divisors (17998976).

35997946 is a wasteful number, since it uses less digits than its factorization.

35997946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17998975.

The product of its digits is 1837080, while the sum is 52.

The square root of 35997946 is about 5999.8288308918. The cubic root of 35997946 is about 330.1864449936.

The spelling of 35997946 in words is "thirty-five million, nine hundred ninety-seven thousand, nine hundred forty-six".