36406642 has 8 divisors (see below), whose sum is σ = 54703836. Its totient is φ = 18172032.

The previous prime is 36406627. The next prime is 36406651. The reversal of 36406642 is 24660463.

It can be written as a sum of positive squares in 2 ways, for example, as 35176761 + 1229881 = 5931^2 + 1109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14163 + ... + 16534.

Almost surely, 2^36406642 is an apocalyptic number.

36406642 is a deficient number, since it is larger than the sum of its proper divisors (18297194).

36406642 is a wasteful number, since it uses less digits than its factorization.

36406642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31292.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 36406642 is about 6033.7916768811. The cubic root of 36406642 is about 331.4313158534.

The spelling of 36406642 in words is "thirty-six million, four hundred six thousand, six hundred forty-two".