1949902 has 8 divisors (see below), whose sum is σ = 3025800. Its totient is φ = 941304.

The previous prime is 1949887. The next prime is 1949911. The reversal of 1949902 is 2099491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16752 + ... + 16867.

It is an arithmetic number, because the mean of its divisors is an integer number (378225).

2^1949902 is an apocalyptic number.

1949902 is a deficient number, since it is larger than the sum of its proper divisors (1075898).

1949902 is a wasteful number, since it uses less digits than its factorization.

1949902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33650.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 1949902 is about 1396.3889143072. The cubic root of 1949902 is about 124.9312048114.

The spelling of 1949902 in words is "one million, nine hundred forty-nine thousand, nine hundred two".