1395998250 has 32 divisors (see below), whose sum is σ = 3484413504. Its totient is φ = 372266000.

The previous prime is 1395998249. The next prime is 1395998281. The reversal of 1395998250 is 528995931.

1395998250 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1395998250² = 3897622228006125000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1395998193 and 1395998202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 929916 + ... + 931415.

It is an arithmetic number, because the mean of its divisors is an integer number (108887922).

Almost surely, 2^1395998250 is an apocalyptic number.

1395998250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1395998250 is an abundant number, since it is smaller than the sum of its proper divisors (2088415254).

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

1395998250 is a wasteful number, since it uses less digits than its factorization.

1395998250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861351 (or 1861341 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 51.

The square root of 1395998250 is about 37363.0599656934. The cubic root of 1395998250 is about 1117.6220407332.

The spelling of 1395998250 in words is "one billion, three hundred ninety-five million, nine hundred ninety-eight thousand, two hundred fifty".