1902354312 has 16 divisors (see below), whose sum is σ = 4755885840. Its totient is φ = 634118096.

The previous prime is 1902354269. The next prime is 1902354313. The reversal of 1902354312 is 2134532091.

1902354312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1902354312.

It is not an unprimeable number, because it can be changed into a prime (1902354313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39632358 + ... + 39632405.

It is an arithmetic number, because the mean of its divisors is an integer number (297242865).

Almost surely, 2^1902354312 is an apocalyptic number.

1902354312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1902354312 is an abundant number, since it is smaller than the sum of its proper divisors (2853531528).

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

1902354312 is a wasteful number, since it uses less digits than its factorization.

1902354312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79264772 (or 79264768 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1902354312 is about 43615.9868855446. The cubic root of 1902354312 is about 1239.0736907851.

The spelling of 1902354312 in words is "one billion, nine hundred two million, three hundred fifty-four thousand, three hundred twelve".