1397473050 has 48 divisors (see below), whose sum is σ = 3468126240. Its totient is φ = 372402240.

The previous prime is 1397473027. The next prime is 1397473079. The reversal of 1397473050 is 503747931.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328336 + ... + 332564.

It is an arithmetic number, because the mean of its divisors is an integer number (72252630).

Almost surely, 2^1397473050 is an apocalyptic number.

1397473050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1397473050 is an abundant number, since it is smaller than the sum of its proper divisors (2070653190).

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

1397473050 is a wasteful number, since it uses less digits than its factorization.

1397473050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447 (or 6442 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 1397473050 is about 37382.7908267962. The cubic root of 1397473050 is about 1118.0154721933.

The spelling of 1397473050 in words is "one billion, three hundred ninety-seven million, four hundred seventy-three thousand, fifty".