8402394 has 64 divisors (see below), whose sum is σ = 22579200. Its totient is φ = 2013120.

The previous prime is 8402371. The next prime is 8402399. The reversal of 8402394 is 4932048.

8402394 = T₆₂ + T₆₃ + ... + T₃₆₉.

It is a happy number.

It is a super-3 number, since 3×8402394³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8402399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5307 + ... + 6705.

It is an arithmetic number, because the mean of its divisors is an integer number (352800).

Almost surely, 2^8402394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8402394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11289600).

8402394 is an abundant number, since it is smaller than the sum of its proper divisors (14176806).

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

8402394 is a wasteful number, since it uses less digits than its factorization.

8402394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 8402394 is about 2898.6883240528. The cubic root of 8402394 is about 203.2985810594.

The spelling of 8402394 in words is "eight million, four hundred two thousand, three hundred ninety-four".