1540602 has 24 divisors (see below), whose sum is σ = 3815136. Its totient is φ = 440136.

The previous prime is 1540573. The next prime is 1540603. The reversal of 1540602 is 2060451.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1540603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5988 + ... + 6239.

It is an arithmetic number, because the mean of its divisors is an integer number (158964).

2^1540602 is an apocalyptic number.

1540602 is an abundant number, since it is smaller than the sum of its proper divisors (2274534).

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

1540602 is a wasteful number, since it uses less digits than its factorization.

1540602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12242 (or 12239 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1540602 is about 1241.2098936119. The cubic root of 1540602 is about 115.4950804674.

The spelling of 1540602 in words is "one million, five hundred forty thousand, six hundred two".