2919902 has 4 divisors (see below), whose sum is σ = 4379856. Its totient is φ = 1459950.

The previous prime is 2919899. The next prime is 2919907. The reversal of 2919902 is 2099192.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2919907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 729974 + ... + 729977.

It is an arithmetic number, because the mean of its divisors is an integer number (1094964).

2^2919902 is an apocalyptic number.

2919902 is a deficient number, since it is larger than the sum of its proper divisors (1459954).

2919902 is a wasteful number, since it uses less digits than its factorization.

2919902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459953.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 2919902 is about 1708.7720737418. The cubic root of 2919902 is about 142.9297909543.

The spelling of 2919902 in words is "two million, nine hundred nineteen thousand, nine hundred two".