1602978 has 16 divisors (see below), whose sum is σ = 3452736. Its totient is φ = 493200.

The previous prime is 1602961. The next prime is 1603009. The reversal of 1602978 is 8792061.

It is a Curzon 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, 10198 + ... + 10353.

It is an arithmetic number, because the mean of its divisors is an integer number (215796).

2^1602978 is an apocalyptic number.

1602978 is an abundant number, since it is smaller than the sum of its proper divisors (1849758).

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

1602978 is a wasteful number, since it uses less digits than its factorization.

1602978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20569.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1602978 is about 1266.0876746892. The cubic root of 1602978 is about 117.0332289284.

Subtracting from 1602978 its sum of digits (33), we obtain a triangular number (1602945 = T₁₇₉₀).

The spelling of 1602978 in words is "one million, six hundred two thousand, nine hundred seventy-eight".