1674601409 has 12 divisors (see below), whose sum is σ = 1838622996. Its totient is φ = 1515647328.

The previous prime is 1674601403. The next prime is 1674601429. The reversal of 1674601409 is 9041064761.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 702409009 + 972192400 = 26503^2 + 31180^2 .

It is not a de Polignac number, because 1674601409 - 2⁴ = 1674601393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674601403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1073372 + ... + 1074930.

It is an arithmetic number, because the mean of its divisors is an integer number (153218583).

Almost surely, 2^1674601409 is an apocalyptic number.

It is an amenable number.

1674601409 is a deficient number, since it is larger than the sum of its proper divisors (164021587).

1674601409 is an frugal number, since it uses more digits than its factorization.

1674601409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1674601409 is about 40921.8940055321. The cubic root of 1674601409 is about 1187.5096589279.

The spelling of 1674601409 in words is "one billion, six hundred seventy-four million, six hundred one thousand, four hundred nine".