33986742 has 16 divisors (see below), whose sum is σ = 68198592. Its totient is φ = 11291400.

The previous prime is 33986737. The next prime is 33986747. The reversal of 33986742 is 24768933.

It is an interprime number because it is at equal distance from previous prime (33986737) and next prime (33986747).

It is a junction number, because it is equal to n+sod(n) for n = 33986694 and 33986703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33986747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7384 + ... + 11067.

It is an arithmetic number, because the mean of its divisors is an integer number (4262412).

Almost surely, 2^33986742 is an apocalyptic number.

33986742 is an abundant number, since it is smaller than the sum of its proper divisors (34211850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33986742 is a wasteful number, since it uses less digits than its factorization.

33986742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18763.

The product of its digits is 217728, while the sum is 42.

The square root of 33986742 is about 5829.8149198752. The cubic root of 33986742 is about 323.9190660520.

The spelling of 33986742 in words is "thirty-three million, nine hundred eighty-six thousand, seven hundred forty-two".