1401894852 has 24 divisors (see below), whose sum is σ = 3285762816. Its totient is φ = 465201888.

The previous prime is 1401894821. The next prime is 1401894869. The reversal of 1401894852 is 2584981041.

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 7 ways as a sum of consecutive naturals, for example, 259263 + ... + 264614.

It is an arithmetic number, because the mean of its divisors is an integer number (136906784).

Almost surely, 2^1401894852 is an apocalyptic number.

1401894852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401894852 is an abundant number, since it is smaller than the sum of its proper divisors (1883867964).

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

1401894852 is a wasteful number, since it uses less digits than its factorization.

1401894852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524107 (or 524105 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 1401894852 is about 37441.8863306859. The cubic root of 1401894852 is about 1119.1934169294.

The spelling of 1401894852 in words is "one billion, four hundred one million, eight hundred ninety-four thousand, eight hundred fifty-two".