1540036 has 12 divisors (see below), whose sum is σ = 2716560. Its totient is φ = 763880.

The previous prime is 1540031. The next prime is 1540039. The reversal of 1540036 is 6300451.

It is a junction number, because it is equal to n+sod(n) for n = 1539995 and 1540022.

It is not an unprimeable number, because it can be changed into a prime (1540031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946 + ... + 1993.

It is an arithmetic number, because the mean of its divisors is an integer number (226380).

2^1540036 is an apocalyptic number.

It is an amenable number.

1540036 is a deficient number, since it is larger than the sum of its proper divisors (1176524).

1540036 is a wasteful number, since it uses less digits than its factorization.

1540036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074 (or 3072 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1540036 is about 1240.9818693277. The cubic root of 1540036 is about 115.4809348666.

Adding to 1540036 its reverse (6300451), we get a palindrome (7840487).

The spelling of 1540036 in words is "one million, five hundred forty thousand, thirty-six".