698293494 has 64 divisors (see below), whose sum is σ = 1622174400. Its totient is φ = 222372864.

The previous prime is 698293487. The next prime is 698293549. The reversal of 698293494 is 494392896.

698293494 is a `hidden beast` number, since 69 + 8 + 2 + 93 + 494 = 666.

It is a super-2 number, since 2×698293494² = 975227607525456072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 698293494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149604 + ... + 154200.

It is an arithmetic number, because the mean of its divisors is an integer number (25346475).

Almost surely, 2^698293494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698293494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811087200).

698293494 is an abundant number, since it is smaller than the sum of its proper divisors (923880906).

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

698293494 is a wasteful number, since it uses less digits than its factorization.

698293494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734 (or 4728 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 698293494 is about 26425.2434993511. The cubic root of 698293494 is about 887.1818843748.

The spelling of 698293494 in words is "six hundred ninety-eight million, two hundred ninety-three thousand, four hundred ninety-four".