1602009738 has 80 divisors (see below), whose sum is σ = 4318480320. Its totient is φ = 433620864.

The previous prime is 1602009727. The next prime is 1602009749. The reversal of 1602009738 is 8379002061.

It is an interprime number because it is at equal distance from previous prime (1602009727) and next prime (1602009749).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15631 + ... + 58722.

It is an arithmetic number, because the mean of its divisors is an integer number (53981004).

Almost surely, 2^1602009738 is an apocalyptic number.

1602009738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1602009738 is an abundant number, since it is smaller than the sum of its proper divisors (2716470582).

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

1602009738 is a wasteful number, since it uses less digits than its factorization.

1602009738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74393 (or 74384 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1602009738 is about 40025.1138411873. The cubic root of 1602009738 is about 1170.0965995192.

The spelling of 1602009738 in words is "one billion, six hundred two million, nine thousand, seven hundred thirty-eight".