8401266 has 16 divisors (see below), whose sum is σ = 18669600. Its totient is φ = 2800404.

The previous prime is 8401259. The next prime is 8401273. The reversal of 8401266 is 6621048.

It is an interprime number because it is at equal distance from previous prime (8401259) and next prime (8401273).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77736 + ... + 77843.

It is an arithmetic number, because the mean of its divisors is an integer number (1166850).

Almost surely, 2^8401266 is an apocalyptic number.

8401266 is an abundant number, since it is smaller than the sum of its proper divisors (10268334).

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

8401266 is a wasteful number, since it uses less digits than its factorization.

8401266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155590 (or 155584 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8401266 is about 2898.4937467588. The cubic root of 8401266 is about 203.2894832134.

The spelling of 8401266 in words is "eight million, four hundred one thousand, two hundred sixty-six".