1097493974 has 4 divisors (see below), whose sum is σ = 1646240964. Its totient is φ = 548746986.

The previous prime is 1097493953. The next prime is 1097493983. The reversal of 1097493974 is 4793947901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274373492 + ... + 274373495.

It is an arithmetic number, because the mean of its divisors is an integer number (411560241).

Almost surely, 2^1097493974 is an apocalyptic number.

1097493974 is a deficient number, since it is larger than the sum of its proper divisors (548746990).

1097493974 is an equidigital number, since it uses as much as digits as its factorization.

1097493974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548746989.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 1097493974 is about 33128.4465980523. The cubic root of 1097493974 is about 1031.4956039984.

The spelling of 1097493974 in words is "one billion, ninety-seven million, four hundred ninety-three thousand, nine hundred seventy-four".