404360146 has 4 divisors (see below), whose sum is σ = 606540222. Its totient is φ = 202180072.

The previous prime is 404360101. The next prime is 404360219. The reversal of 404360146 is 641063404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 385533225 + 18826921 = 19635^2 + 4339^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101090035 + ... + 101090038.

Almost surely, 2^404360146 is an apocalyptic number.

404360146 is a deficient number, since it is larger than the sum of its proper divisors (202180076).

404360146 is a wasteful number, since it uses less digits than its factorization.

404360146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202180075.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 404360146 is about 20108.7082131101. The cubic root of 404360146 is about 739.4737834302.

The spelling of 404360146 in words is "four hundred four million, three hundred sixty thousand, one hundred forty-six".