308401396 has 12 divisors (see below), whose sum is σ = 541129120. Its totient is φ = 153793080.

The previous prime is 308401393. The next prime is 308401417. The reversal of 308401396 is 693104803.

It is a super-2 number, since 2×308401396² = 190222842109497632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308401393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100200 + ... + 103231.

Almost surely, 2^308401396 is an apocalyptic number.

It is an amenable number.

308401396 is a deficient number, since it is larger than the sum of its proper divisors (232727724).

308401396 is a wasteful number, since it uses less digits than its factorization.

308401396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203814 (or 203812 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 308401396 is about 17561.3608812074. The cubic root of 308401396 is about 675.6245858536.

The spelling of 308401396 in words is "three hundred eight million, four hundred one thousand, three hundred ninety-six".