2947392 has 168 divisors, whose sum is σ = 10460736. Its totient is φ = 774144.

The previous prime is 2947363. The next prime is 2947403. The reversal of 2947392 is 2937492.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (27216) is a multiple of the sum of its prime divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68523 + ... + 68565.

2^2947392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2947392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5230368).

2947392 is an abundant number, since it is smaller than the sum of its proper divisors (7513344).

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

2947392 is a wasteful number, since it uses less digits than its factorization.

2947392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 72 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2947392 is about 1716.7970177048. The cubic root of 2947392 is about 143.3769376379.

The spelling of 2947392 in words is "two million, nine hundred forty-seven thousand, three hundred ninety-two".