396951742 has 16 divisors (see below), whose sum is σ = 656257392. Its totient is φ = 178571520.

The previous prime is 396951721. The next prime is 396951749. The reversal of 396951742 is 247159693.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 396951692 and 396951701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396951749) 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, 90873 + ... + 95140.

It is an arithmetic number, because the mean of its divisors is an integer number (41016087).

Almost surely, 2^396951742 is an apocalyptic number.

396951742 is a deficient number, since it is larger than the sum of its proper divisors (259305650).

396951742 is a wasteful number, since it uses less digits than its factorization.

396951742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186123.

The product of its digits is 408240, while the sum is 46.

The square root of 396951742 is about 19923.6478085716. The cubic root of 396951742 is about 734.9298786977.

The spelling of 396951742 in words is "three hundred ninety-six million, nine hundred fifty-one thousand, seven hundred forty-two".