2381924 has 6 divisors (see below), whose sum is σ = 4168374. Its totient is φ = 1190960.

The previous prime is 2381909. The next prime is 2381941. The reversal of 2381924 is 4291832.

It can be written as a sum of positive squares in only one way, i.e., 1345600 + 1036324 = 1160^2 + 1018^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 297737 + ... + 297744.

It is an arithmetic number, because the mean of its divisors is an integer number (694729).

2^2381924 is an apocalyptic number.

It is an amenable number.

2381924 is a deficient number, since it is larger than the sum of its proper divisors (1786450).

2381924 is a wasteful number, since it uses less digits than its factorization.

2381924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595485 (or 595483 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 2381924 is about 1543.3483080627. The cubic root of 2381924 is about 133.5496128729.

The spelling of 2381924 in words is "two million, three hundred eighty-one thousand, nine hundred twenty-four".