1491970348 has 48 divisors (see below), whose sum is σ = 2978519040. Its totient is φ = 647292800.

The previous prime is 1491970339. The next prime is 1491970369. The reversal of 1491970348 is 8430791941.

It is a super-2 number, since 2×1491970348² = 4451951038622482208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 1491970298 and 1491970307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574533 + ... + 577123.

It is an arithmetic number, because the mean of its divisors is an integer number (62052480).

Almost surely, 2^1491970348 is an apocalyptic number.

It is an amenable number.

1491970348 is a deficient number, since it is larger than the sum of its proper divisors (1486548692).

1491970348 is a wasteful number, since it uses less digits than its factorization.

1491970348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198 (or 3196 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1491970348 is about 38626.0319991583. The cubic root of 1491970348 is about 1142.6679964980.

The spelling of 1491970348 in words is "one billion, four hundred ninety-one million, nine hundred seventy thousand, three hundred forty-eight".