2903420 has 36 divisors (see below), whose sum is σ = 6609960. Its totient is φ = 1070784.

The previous prime is 2903419. The next prime is 2903437. The reversal of 2903420 is 243092.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2903392 and 2903401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2951 + ... + 3809.

It is an arithmetic number, because the mean of its divisors is an integer number (183610).

2^2903420 is an apocalyptic number.

2903420 is a gapful number since it is divisible by the number (20) 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 2903420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3304980).

2903420 is an abundant number, since it is smaller than the sum of its proper divisors (3706540).

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

2903420 is a wasteful number, since it uses less digits than its factorization.

2903420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2903420 is about 1703.9424872923. The cubic root of 2903420 is about 142.6603509398.

The spelling of 2903420 in words is "two million, nine hundred three thousand, four hundred twenty".