8261478 has 12 divisors (see below), whose sum is σ = 17899908. Its totient is φ = 2753820.

The previous prime is 8261467. The next prime is 8261479. The reversal of 8261478 is 8741628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8261479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229468 + ... + 229503.

It is an arithmetic number, because the mean of its divisors is an integer number (1491659).

Almost surely, 2^8261478 is an apocalyptic number.

8261478 is an abundant number, since it is smaller than the sum of its proper divisors (9638430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8261478 is a wasteful number, since it uses less digits than its factorization.

8261478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458979 (or 458976 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 8261478 is about 2874.2786921243. The cubic root of 8261478 is about 202.1556653907.

It can be divided in two parts, 826 and 1478, that added together give a square (2304 = 48²).

The spelling of 8261478 in words is "eight million, two hundred sixty-one thousand, four hundred seventy-eight".