35381642 has 4 divisors (see below), whose sum is σ = 53072466. Its totient is φ = 17690820.

The previous prime is 35381627. The next prime is 35381663. The reversal of 35381642 is 24618353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24618353 = 181 ⋅136013.

It can be written as a sum of positive squares in only one way, i.e., 23609881 + 11771761 = 4859^2 + 3431^2 .

It is a junction number, because it is equal to n+sod(n) for n = 35381599 and 35381608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8845409 + ... + 8845412.

Almost surely, 2^35381642 is an apocalyptic number.

35381642 is a deficient number, since it is larger than the sum of its proper divisors (17690824).

35381642 is a wasteful number, since it uses less digits than its factorization.

35381642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17690823.

The product of its digits is 17280, while the sum is 32.

The square root of 35381642 is about 5948.2469686455. The cubic root of 35381642 is about 328.2912654209.

Adding to 35381642 its reverse (24618353), we get a palindrome (59999995).

The spelling of 35381642 in words is "thirty-five million, three hundred eighty-one thousand, six hundred forty-two".