6261989 has 4 divisors (see below), whose sum is σ = 6311424. Its totient is φ = 6212556.

The previous prime is 6261977. The next prime is 6262007. The reversal of 6261989 is 9891626.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9891626 = 2 ⋅4945813.

It is a cyclic number.

It is not a de Polignac number, because 6261989 - 2⁴ = 6261973 is a prime.

It is a super-2 number, since 2×6261989² = 78425012472242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6261919) 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, 24527 + ... + 24780.

It is an arithmetic number, because the mean of its divisors is an integer number (1577856).

Almost surely, 2^6261989 is an apocalyptic number.

It is an amenable number.

6261989 is a deficient number, since it is larger than the sum of its proper divisors (49435).

6261989 is a wasteful number, since it uses less digits than its factorization.

6261989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49434.

The product of its digits is 46656, while the sum is 41.

The square root of 6261989 is about 2502.3966512126. The cubic root of 6261989 is about 184.3192806445.

The spelling of 6261989 in words is "six million, two hundred sixty-one thousand, nine hundred eighty-nine".