1407993252 has 24 divisors (see below), whose sum is σ = 3458229600. Its totient is φ = 444629376.

The previous prime is 1407993229. The next prime is 1407993269. The reversal of 1407993252 is 2523997041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3087477 + ... + 3087932.

It is an arithmetic number, because the mean of its divisors is an integer number (144092900).

Almost surely, 2^1407993252 is an apocalyptic number.

1407993252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1407993252 is an abundant number, since it is smaller than the sum of its proper divisors (2050236348).

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

1407993252 is a wasteful number, since it uses less digits than its factorization.

1407993252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175435 (or 6175433 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1407993252 is about 37523.2361610776. The cubic root of 1407993252 is about 1120.8139417137.

The spelling of 1407993252 in words is "one billion, four hundred seven million, nine hundred ninety-three thousand, two hundred fifty-two".