2651938 has 8 divisors (see below), whose sum is σ = 4085532. Its totient is φ = 1290096.

The previous prime is 2651911. The next prime is 2651947. The reversal of 2651938 is 8391562.

It can be written as a sum of positive squares in 2 ways, for example, as 2614689 + 37249 = 1617^2 + 193^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17845 + ... + 17992.

2^2651938 is an apocalyptic number.

2651938 is a deficient number, since it is larger than the sum of its proper divisors (1433594).

2651938 is a wasteful number, since it uses less digits than its factorization.

2651938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35876.

The product of its digits is 12960, while the sum is 34.

The square root of 2651938 is about 1628.4772027879. The cubic root of 2651938 is about 138.4164762035.

The spelling of 2651938 in words is "two million, six hundred fifty-one thousand, nine hundred thirty-eight".