1464090394 has 8 divisors (see below), whose sum is σ = 2365069140. Its totient is φ = 675734016.

The previous prime is 1464090389. The next prime is 1464090421. The reversal of 1464090394 is 4930904641.

It can be written as a sum of positive squares in 2 ways, for example, as 1399882225 + 64208169 = 37415^2 + 8013^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28155559 + ... + 28155610.

Almost surely, 2^1464090394 is an apocalyptic number.

1464090394 is a deficient number, since it is larger than the sum of its proper divisors (900978746).

1464090394 is a wasteful number, since it uses less digits than its factorization.

1464090394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56311184.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 1464090394 is about 38263.4341637026. The cubic root of 1464090394 is about 1135.5056436300.

The spelling of 1464090394 in words is "one billion, four hundred sixty-four million, ninety thousand, three hundred ninety-four".