1949431404 has 48 divisors (see below), whose sum is σ = 4700143616. Its totient is φ = 628214400.

The previous prime is 1949431391. The next prime is 1949431411. The reversal of 1949431404 is 4041349491.

It is a super-2 number, since 2×1949431404² = 7600565597802822432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489429 + ... + 493395.

Almost surely, 2^1949431404 is an apocalyptic number.

It is an amenable number.

1949431404 is an abundant number, since it is smaller than the sum of its proper divisors (2750712212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1949431404 is a wasteful number, since it uses less digits than its factorization.

1949431404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326 (or 5324 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1949431404 is about 44152.3657803294. The cubic root of 1949431404 is about 1249.2115356170.

The spelling of 1949431404 in words is "one billion, nine hundred forty-nine million, four hundred thirty-one thousand, four hundred four".