1602694340 has 24 divisors (see below), whose sum is σ = 3624555480. Its totient is φ = 591763968.

The previous prime is 1602694339. The next prime is 1602694343. The reversal of 1602694340 is 434962061.

It can be written as a sum of positive squares in 4 ways, for example, as 187580416 + 1415113924 = 13696^2 + 37618^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1602694340.

It is not an unprimeable number, because it can be changed into a prime (1602694343) 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, 3081845 + ... + 3082364.

It is an arithmetic number, because the mean of its divisors is an integer number (151023145).

Almost surely, 2^1602694340 is an apocalyptic number.

1602694340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1602694340 is an abundant number, since it is smaller than the sum of its proper divisors (2021861140).

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

1602694340 is a wasteful number, since it uses less digits than its factorization.

1602694340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164231 (or 6164229 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1602694340 is about 40033.6650832771. The cubic root of 1602694340 is about 1170.2632519379.

The spelling of 1602694340 in words is "one billion, six hundred two million, six hundred ninety-four thousand, three hundred forty".