1902940704 has 144 divisors (see below), whose sum is σ = 6384268800. Its totient is φ = 526141440.

The previous prime is 1902940693. The next prime is 1902940717. The reversal of 1902940704 is 4070492091.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47272 + ... + 77720.

It is an arithmetic number, because the mean of its divisors is an integer number (44335200).

Almost surely, 2^1902940704 is an apocalyptic number.

1902940704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1902940704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3192134400).

1902940704 is an abundant number, since it is smaller than the sum of its proper divisors (4481328096).

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

1902940704 is a wasteful number, since it uses less digits than its factorization.

1902940704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30503 (or 30492 counting only the distinct ones).

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

The square root of 1902940704 is about 43622.7085816550. The cubic root of 1902940704 is about 1239.2009906353.

The spelling of 1902940704 in words is "one billion, nine hundred two million, nine hundred forty thousand, seven hundred four".