674088394 has 12 divisors (see below), whose sum is σ = 1176215634. Its totient is φ = 288894984.

The previous prime is 674088379. The next prime is 674088409. The reversal of 674088394 is 493880476.

It is an interprime number because it is at equal distance from previous prime (674088379) and next prime (674088409).

It can be written as a sum of positive squares in only one way, i.e., 674077369 + 11025 = 25963^2 + 105^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3439129 + ... + 3439324.

Almost surely, 2^674088394 is an apocalyptic number.

674088394 is a deficient number, since it is larger than the sum of its proper divisors (502127240).

674088394 is a wasteful number, since it uses less digits than its factorization.

674088394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878469 (or 6878462 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 674088394 is about 25963.2123205123. The cubic root of 674088394 is about 876.8102469479.

The spelling of 674088394 in words is "six hundred seventy-four million, eighty-eight thousand, three hundred ninety-four".