174398994 has 240 divisors, whose sum is σ = 519095808. Its totient is φ = 42768000.

The previous prime is 174398981. The next prime is 174399007. The reversal of 174398994 is 499893471.

It is an interprime number because it is at equal distance from previous prime (174398981) and next prime (174399007).

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 174398994.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4253614 + ... + 4253654.

Almost surely, 2^174398994 is an apocalyptic number.

174398994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 174398994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259547904).

174398994 is an abundant number, since it is smaller than the sum of its proper divisors (344696814).

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

174398994 is a wasteful number, since it uses less digits than its factorization.

174398994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 95 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 174398994 is about 13206.0211267437. The cubic root of 174398994 is about 558.7034139800.

174398994 divided by its sum of digits (54) gives a triangular number (3229611 = T₂₅₄₁).

The spelling of 174398994 in words is "one hundred seventy-four million, three hundred ninety-eight thousand, nine hundred ninety-four".