279147942 has 24 divisors (see below), whose sum is σ = 605129616. Its totient is φ = 93001776.

The previous prime is 279147923. The next prime is 279147949. The reversal of 279147942 is 249741972.

It is a happy number.

279147942 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (279147949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61288 + ... + 65684.

It is an arithmetic number, because the mean of its divisors is an integer number (25213734).

Almost surely, 2^279147942 is an apocalyptic number.

279147942 is an abundant number, since it is smaller than the sum of its proper divisors (325981674).

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

279147942 is a wasteful number, since it uses less digits than its factorization.

279147942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932 (or 7929 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 279147942 is about 16707.7210295121. The cubic root of 279147942 is about 653.5489834295.

The spelling of 279147942 in words is "two hundred seventy-nine million, one hundred forty-seven thousand, nine hundred forty-two".