2621938 has 8 divisors (see below), whose sum is σ = 4290480. Its totient is φ = 1191780.

The previous prime is 2621933. The next prime is 2621947. The reversal of 2621938 is 8391262.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2621933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59568 + ... + 59611.

It is an arithmetic number, because the mean of its divisors is an integer number (536310).

2^2621938 is an apocalyptic number.

2621938 is a deficient number, since it is larger than the sum of its proper divisors (1668542).

2621938 is a wasteful number, since it uses less digits than its factorization.

2621938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119192.

The product of its digits is 5184, while the sum is 31.

The square root of 2621938 is about 1619.2399451595. The cubic root of 2621938 is about 137.8925509607.

The spelling of 2621938 in words is "two million, six hundred twenty-one thousand, nine hundred thirty-eight".