1397294858 has 8 divisors (see below), whose sum is σ = 2104712640. Its totient is φ = 695723980.

The previous prime is 1397294851. The next prime is 1397294861. The reversal of 1397294858 is 8584927931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1397294851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461128 + ... + 1462083.

It is an arithmetic number, because the mean of its divisors is an integer number (263089080).

Almost surely, 2^1397294858 is an apocalyptic number.

1397294858 is a deficient number, since it is larger than the sum of its proper divisors (707417782).

1397294858 is a wasteful number, since it uses less digits than its factorization.

1397294858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923452.

The product of its digits is 4354560, while the sum is 56.

The square root of 1397294858 is about 37380.4074081597. The cubic root of 1397294858 is about 1117.9679507327.

The spelling of 1397294858 in words is "one billion, three hundred ninety-seven million, two hundred ninety-four thousand, eight hundred fifty-eight".