1396888194 has 32 divisors (see below), whose sum is σ = 3010521024. Its totient is φ = 429549120.

The previous prime is 1396888183. The next prime is 1396888201. The reversal of 1396888194 is 4918886931.

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, 151764 + ... + 160704.

It is an arithmetic number, because the mean of its divisors is an integer number (94078782).

Almost surely, 2^1396888194 is an apocalyptic number.

1396888194 is an abundant number, since it is smaller than the sum of its proper divisors (1613632830).

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

1396888194 is a wasteful number, since it uses less digits than its factorization.

1396888194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10962.

The product of its digits is 2985984, while the sum is 57.

The square root of 1396888194 is about 37374.9674782467. The cubic root of 1396888194 is about 1117.8594836642.

The spelling of 1396888194 in words is "one billion, three hundred ninety-six million, eight hundred eighty-eight thousand, one hundred ninety-four".