2621434 has 8 divisors (see below), whose sum is σ = 4163508. Its totient is φ = 1233600.

The previous prime is 2621431. The next prime is 2621447. The reversal of 2621434 is 4341262.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2265025 + 356409 = 1505^2 + 597^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2621431) 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, 38517 + ... + 38584.

2^2621434 is an apocalyptic number.

2621434 is a deficient number, since it is larger than the sum of its proper divisors (1542074).

2621434 is a wasteful number, since it uses less digits than its factorization.

2621434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77120.

The product of its digits is 1152, while the sum is 22.

The square root of 2621434 is about 1619.0843091081. The cubic root of 2621434 is about 137.8837149650.

Adding to 2621434 its reverse (4341262), we get a palindrome (6962696).

The spelling of 2621434 in words is "two million, six hundred twenty-one thousand, four hundred thirty-four".