1427246398 has 4 divisors (see below), whose sum is σ = 2140869600. Its totient is φ = 713623198.

The previous prime is 1427246371. The next prime is 1427246437. The reversal of 1427246398 is 8936427241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356811598 + ... + 356811601.

It is an arithmetic number, because the mean of its divisors is an integer number (535217400).

Almost surely, 2^1427246398 is an apocalyptic number.

1427246398 is a deficient number, since it is larger than the sum of its proper divisors (713623202).

1427246398 is an equidigital number, since it uses as much as digits as its factorization.

1427246398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713623201.

The product of its digits is 580608, while the sum is 46.

The square root of 1427246398 is about 37778.9147276626. The cubic root of 1427246398 is about 1125.8995663949.

The spelling of 1427246398 in words is "one billion, four hundred twenty-seven million, two hundred forty-six thousand, three hundred ninety-eight".