2923668 has 96 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 839520.

The previous prime is 2923651. The next prime is 2923727. The reversal of 2923668 is 8663292.

2923668 is a `hidden beast` number, since 292 + 366 + 8 = 666.

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

It is a d-powerful number, because it can be written as 2² + 9³ + 2²⁰ + 3¹³ + 6² + 6⁷ + 8² .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27271 + ... + 27377.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^2923668 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 2923668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4354560).

2923668 is an abundant number, since it is smaller than the sum of its proper divisors (5785452).

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

2923668 is a wasteful number, since it uses less digits than its factorization.

2923668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 146 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 2923668 is about 1709.8736795448. The cubic root of 2923668 is about 142.9912133744.

The spelling of 2923668 in words is "two million, nine hundred twenty-three thousand, six hundred sixty-eight".