2621250398 has 32 divisors (see below), whose sum is σ = 4312036512. Its totient is φ = 1187683200.

The previous prime is 2621250397. The next prime is 2621250461. The reversal of 2621250398 is 8930521262.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621250397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034393 + ... + 1036923.

It is an arithmetic number, because the mean of its divisors is an integer number (134751141).

Almost surely, 2^2621250398 is an apocalyptic number.

2621250398 is a deficient number, since it is larger than the sum of its proper divisors (1690786114).

2621250398 is a wasteful number, since it uses less digits than its factorization.

2621250398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2621250398 is about 51198.1483844875. The cubic root of 2621250398 is about 1378.8049582143.

The spelling of 2621250398 in words is "two billion, six hundred twenty-one million, two hundred fifty thousand, three hundred ninety-eight".