1394477634 has 16 divisors (see below), whose sum is σ = 3042496800. Its totient is φ = 422568960.

The previous prime is 1394477599. The next prime is 1394477641. The reversal of 1394477634 is 4367744931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10564159 + ... + 10564290.

It is an arithmetic number, because the mean of its divisors is an integer number (190156050).

Almost surely, 2^1394477634 is an apocalyptic number.

1394477634 is an abundant number, since it is smaller than the sum of its proper divisors (1648019166).

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

1394477634 is a wasteful number, since it uses less digits than its factorization.

1394477634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21128465.

The product of its digits is 1524096, while the sum is 48.

The square root of 1394477634 is about 37342.7052314103. The cubic root of 1394477634 is about 1117.2160967211.

The spelling of 1394477634 in words is "one billion, three hundred ninety-four million, four hundred seventy-seven thousand, six hundred thirty-four".