1902394 has 16 divisors (see below), whose sum is σ = 3235680. Its totient is φ = 831600.

The previous prime is 1902391. The next prime is 1902403. The reversal of 1902394 is 4932091.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1902391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432 + ... + 2419.

It is an arithmetic number, because the mean of its divisors is an integer number (202230).

2^1902394 is an apocalyptic number.

1902394 is a deficient number, since it is larger than the sum of its proper divisors (1333286).

1902394 is a wasteful number, since it uses less digits than its factorization.

1902394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1902394 is about 1379.2729969082. The cubic root of 1902394 is about 123.9082307479.

The spelling of 1902394 in words is "one million, nine hundred two thousand, three hundred ninety-four".