401499 has 12 divisors (see below), whose sum is σ = 662896. Its totient is φ = 229392.

The previous prime is 401477. The next prime is 401507. The reversal of 401499 is 994104.

It is not a de Polignac number, because 401499 - 2⁷ = 401371 is a prime.

It is a super-2 number, since 2×401499² = 322402894002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3124 + ... + 3249.

2⁴⁰¹⁴⁹⁹ is an apocalyptic number.

401499 is a deficient number, since it is larger than the sum of its proper divisors (261397).

401499 is a wasteful number, since it uses less digits than its factorization.

401499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6386 (or 6383 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 401499 is about 633.6394874059. The cubic root of 401499 is about 73.7725546260.

It can be divided in two parts, 4014 and 99, that multiplied together give a triangular number (397386 = T₈₉₁).

The spelling of 401499 in words is "four hundred one thousand, four hundred ninety-nine".