401386467 has 18 divisors (see below), whose sum is σ = 549961932. Its totient is φ = 260396304.

The previous prime is 401386463. The next prime is 401386483. The reversal of 401386467 is 764683104.

It is not a de Polignac number, because 401386467 - 2² = 401386463 is a prime.

It is a super-2 number, since 2×401386467² = 322222191781484178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401386463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1492009 + ... + 1492277.

Almost surely, 2^401386467 is an apocalyptic number.

401386467 is a deficient number, since it is larger than the sum of its proper divisors (148575465).

401386467 is an frugal number, since it uses more digits than its factorization.

401386467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 401386467 is about 20034.6316911492. The cubic root of 401386467 is about 737.6566160539.

The spelling of 401386467 in words is "four hundred one million, three hundred eighty-six thousand, four hundred sixty-seven".