1394022396 has 24 divisors (see below), whose sum is σ = 3502928464. Its totient is φ = 428929920.

The previous prime is 1394022391. The next prime is 1394022401. The reversal of 1394022396 is 6932204931.

It is an interprime number because it is at equal distance from previous prime (1394022391) and next prime (1394022401).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394022391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4467865 + ... + 4468176.

Almost surely, 2^1394022396 is an apocalyptic number.

It is an amenable number.

1394022396 is an abundant number, since it is smaller than the sum of its proper divisors (2108906068).

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

1394022396 is a wasteful number, since it uses less digits than its factorization.

1394022396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8936061 (or 8936059 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 1394022396 is about 37336.6093265042. The cubic root of 1394022396 is about 1117.0945088796.

The spelling of 1394022396 in words is "one billion, three hundred ninety-four million, twenty-two thousand, three hundred ninety-six".