1540484 has 24 divisors (see below), whose sum is σ = 2972928. Its totient is φ = 692640.

The previous prime is 1540481. The next prime is 1540499. The reversal of 1540484 is 4840451.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1540481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6797 + ... + 7019.

It is an arithmetic number, because the mean of its divisors is an integer number (123872).

2^1540484 is an apocalyptic number.

It is an amenable number.

1540484 is a deficient number, since it is larger than the sum of its proper divisors (1432444).

1540484 is a wasteful number, since it uses less digits than its factorization.

1540484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1540484 is about 1241.1623584366. The cubic root of 1540484 is about 115.4921316704.

The spelling of 1540484 in words is "one million, five hundred forty thousand, four hundred eighty-four".