1405348797 has 8 divisors (see below), whose sum is σ = 1887279520. Its totient is φ = 930158640.

The previous prime is 1405348793. The next prime is 1405348801. The reversal of 1405348797 is 7978435041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1405348793) and next prime (1405348801).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1405348797 - 2² = 1405348793 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 (1405348793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1684654 + ... + 1685487.

It is an arithmetic number, because the mean of its divisors is an integer number (235909940).

Almost surely, 2^1405348797 is an apocalyptic number.

It is an amenable number.

1405348797 is a deficient number, since it is larger than the sum of its proper divisors (481930723).

1405348797 is a wasteful number, since it uses less digits than its factorization.

1405348797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370283.

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 1405348797 is about 37487.9820342467. The cubic root of 1405348797 is about 1120.1118077687. Note that the first 3 decimals are identical.

It can be divided in two parts, 140534 and 8797, that added together give a triangular number (149331 = T₅₄₆).

The spelling of 1405348797 in words is "one billion, four hundred five million, three hundred forty-eight thousand, seven hundred ninety-seven".