1394752872 has 32 divisors (see below), whose sum is σ = 3487910400. Its totient is φ = 464780544.

The previous prime is 1394752847. The next prime is 1394752873. The reversal of 1394752872 is 2782574931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1394752873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105529 + ... + 118007.

It is an arithmetic number, because the mean of its divisors is an integer number (108997200).

Almost surely, 2^1394752872 is an apocalyptic number.

1394752872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1394752872 is an abundant number, since it is smaller than the sum of its proper divisors (2093157528).

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

1394752872 is a wasteful number, since it uses less digits than its factorization.

1394752872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17145 (or 17141 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 1394752872 is about 37346.3903476628. The cubic root of 1394752872 is about 1117.2895961897.

The spelling of 1394752872 in words is "one billion, three hundred ninety-four million, seven hundred fifty-two thousand, eight hundred seventy-two".