1540064 has 48 divisors (see below), whose sum is σ = 3402000. Its totient is φ = 681984.

The previous prime is 1540039. The next prime is 1540073. The reversal of 1540064 is 4600451.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10262 + ... + 10410.

It is an arithmetic number, because the mean of its divisors is an integer number (70875).

2^1540064 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 1540064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1701000).

1540064 is an abundant number, since it is smaller than the sum of its proper divisors (1861936).

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

1540064 is a wasteful number, since it uses less digits than its factorization.

1540064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1540064 is about 1240.9931506660. The cubic root of 1540064 is about 115.4816347304.

The spelling of 1540064 in words is "one million, five hundred forty thousand, sixty-four".