396973622 has 4 divisors (see below), whose sum is σ = 595460436. Its totient is φ = 198486810.

The previous prime is 396973601. The next prime is 396973627. The reversal of 396973622 is 226379693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226379693 = 977 ⋅231709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396973627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99243404 + ... + 99243407.

It is an arithmetic number, because the mean of its divisors is an integer number (148865109).

Almost surely, 2^396973622 is an apocalyptic number.

396973622 is a deficient number, since it is larger than the sum of its proper divisors (198486814).

396973622 is a wasteful number, since it uses less digits than its factorization.

396973622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198486813.

The product of its digits is 734832, while the sum is 47.

The square root of 396973622 is about 19924.1968972403. The cubic root of 396973622 is about 734.9433815736.

The spelling of 396973622 in words is "three hundred ninety-six million, nine hundred seventy-three thousand, six hundred twenty-two".