400419 has 6 divisors (see below), whose sum is σ = 578396. Its totient is φ = 266940.

The previous prime is 400417. The next prime is 400429. The reversal of 400419 is 914004.

It is not a de Polignac number, because 400419 - 2¹ = 400417 is a prime.

It is a super-2 number, since 2×400419² = 320670751122, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 400419.

It is not an unprimeable number, because it can be changed into a prime (400417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22237 + ... + 22254.

2⁴⁰⁰⁴¹⁹ is an apocalyptic number.

400419 is a deficient number, since it is larger than the sum of its proper divisors (177977).

400419 is a wasteful number, since it uses less digits than its factorization.

400419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44497 (or 44494 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 400419 is about 632.7866939183. The cubic root of 400419 is about 73.7063478150.

The spelling of 400419 in words is "four hundred thousand, four hundred nineteen".