1497421404 has 96 divisors (see below), whose sum is σ = 4161729600. Its totient is φ = 469732608.

The previous prime is 1497421397. The next prime is 1497421423. The reversal of 1497421404 is 4041247941.

It is a super-2 number, since 2×1497421404² = 4484541722314662432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143682 + ... + 153750.

It is an arithmetic number, because the mean of its divisors is an integer number (43351350).

Almost surely, 2^1497421404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1497421404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080864800).

1497421404 is an abundant number, since it is smaller than the sum of its proper divisors (2664308196).

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

1497421404 is a wasteful number, since it uses less digits than its factorization.

1497421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111 (or 10091 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1497421404 is about 38696.5296118399. The cubic root of 1497421404 is about 1144.0579206415.

The spelling of 1497421404 in words is "one billion, four hundred ninety-seven million, four hundred twenty-one thousand, four hundred four".