2938830 has 16 divisors (see below), whose sum is σ = 7053264. Its totient is φ = 783680.

The previous prime is 2938813. The next prime is 2938843. The reversal of 2938830 is 388392.

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2938791 and 2938800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48951 + ... + 49010.

It is an arithmetic number, because the mean of its divisors is an integer number (440829).

2^2938830 is an apocalyptic number.

2938830 is an abundant number, since it is smaller than the sum of its proper divisors (4114434).

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

2938830 is a wasteful number, since it uses less digits than its factorization.

2938830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97971.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2938830 is about 1714.3016070692. The cubic root of 2938830 is about 143.2379691354.

The spelling of 2938830 in words is "two million, nine hundred thirty-eight thousand, eight hundred thirty".