2621492 has 6 divisors (see below), whose sum is σ = 4587618. Its totient is φ = 1310744.

The previous prime is 2621477. The next prime is 2621501. The reversal of 2621492 is 2941262.

It can be written as a sum of positive squares in only one way, i.e., 2540836 + 80656 = 1594^2 + 284^2 .

It is a d-powerful number, because it can be written as 2⁵ + 6 + 2¹⁹ + 1 + 4 + 9 + 2²¹ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327683 + ... + 327690.

It is an arithmetic number, because the mean of its divisors is an integer number (764603).

2^2621492 is an apocalyptic number.

It is an amenable number.

2621492 is a deficient number, since it is larger than the sum of its proper divisors (1966126).

2621492 is a wasteful number, since it uses less digits than its factorization.

2621492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655377 (or 655375 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 2621492 is about 1619.1022203678. The cubic root of 2621492 is about 137.8847318634.

It can be divided in two parts, 2621 and 492, that added together give a palindrome (3113).

The spelling of 2621492 in words is "two million, six hundred twenty-one thousand, four hundred ninety-two".