34278992 has 20 divisors (see below), whose sum is σ = 72453696. Its totient is φ = 15581280.

The previous prime is 34278991. The next prime is 34278997. The reversal of 34278992 is 29987243.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34278991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97208 + ... + 97559.

Almost surely, 2^34278992 is an apocalyptic number.

It is an amenable number.

34278992 is an abundant number, since it is smaller than the sum of its proper divisors (38174704).

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

34278992 is a wasteful number, since it uses less digits than its factorization.

34278992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194786 (or 194780 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 34278992 is about 5854.8263851288. The cubic root of 34278992 is about 324.8448711334.

The spelling of 34278992 in words is "thirty-four million, two hundred seventy-eight thousand, nine hundred ninety-two".