1902912 has 112 divisors (see below), whose sum is σ = 5925312. Its totient is φ = 532480.

The previous prime is 1902899. The next prime is 1902917. The reversal of 1902912 is 2192091.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1902917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35878 + ... + 35930.

2^1902912 is an apocalyptic number.

1902912 is a gapful number since it is divisible by the number (12) 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 1902912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2962656).

1902912 is an abundant number, since it is smaller than the sum of its proper divisors (4022400).

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

1902912 is a wasteful number, since it uses less digits than its factorization.

1902912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1902912 is about 1379.4607642119. The cubic root of 1902912 is about 123.9194759892.

The spelling of 1902912 in words is "one million, nine hundred two thousand, nine hundred twelve".