396911742 has 16 divisors (see below), whose sum is σ = 799619472. Its totient is φ = 131337920.

The previous prime is 396911741. The next prime is 396911743. The reversal of 396911742 is 247119693.

It is an interprime number because it is at equal distance from previous prime (396911741) and next prime (396911743).

It is a junction number, because it is equal to n+sod(n) for n = 396911694 and 396911703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396911741) 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, 240609 + ... + 242252.

It is an arithmetic number, because the mean of its divisors is an integer number (49976217).

Almost surely, 2^396911742 is an apocalyptic number.

396911742 is an abundant number, since it is smaller than the sum of its proper divisors (402707730).

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

396911742 is a wasteful number, since it uses less digits than its factorization.

396911742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483003.

The product of its digits is 81648, while the sum is 42.

The square root of 396911742 is about 19922.6439510422. The cubic root of 396911742 is about 734.9051920842.

The spelling of 396911742 in words is "three hundred ninety-six million, nine hundred eleven thousand, seven hundred forty-two".